十二点六与一点二五和零点八九差的乘积是多少_作业帮
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十二点六与一点二五和零点八九差的乘积是多少
十二点六与一点二五和零点八九差的乘积是多少
12.6×(1.25-0.98)=12.6×0.27=3.402Unit 8 It must belong to Carla. 教学案例(人教版英语九年级)
Unit 8 It must belong to Carla. 教学案例(人教版英语九年级)
→ Unit 8 It must belong to Carla. 教学案例(人教版英语九年级)
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如果，倘若；
〈口〉是否；
条件，设想
大家都在背：
1. If you wait, all that happens is that you get older.
如果你等待，发生的只有变老。
来自金山词霸 每日一句
2. If you love life, life will love you back.
热爱生活，生活也会厚爱你。
来自金山词霸 每日一句
3. If you're not satisfied with the life you're living, don't just complain. Do something about it.
对于现况的不满，不能只是抱怨，要有勇气作出改变。
来自金山词霸 每日一句
4. If you're lonely when you're alone, you're in bad company.--Jean Paul Sartre
如果你独处时感到寂寞，说明没有把自己陪好。
来自金山词霸 每日一句
5. Friendship means understanding, not agreement. It means forgiveness, not forgetting.It means the memories last, even if contact is lost.
友情是理解，不是妥协；是原谅，不是遗忘。即使不联系，感情依然在。
来自金山词霸 每日一句
if and only if
1. 当且仅当
witches are real if and only if there are criteria for identifying witches.
当且仅当有标准识别女巫，女巫才是真实存在的。
if and when
1. 如果，万一
if and when the film gets the green light, be sure you've read the book first.
万一电影得到许可，千万保证你已经读过那本书了。
if anything
1. 如果是这样的话（之前多已提及相反的情况）
I haven't made much of this—if anything, I've played it down.
对此我并没有加以重视——如果是这样的话，那我是看低它了。
if I were you
1. （表示建议）换作是我
I would go to see him if I were you.
换作是我，我会去见他。
： 作"是否"解时，多用于口语，引出宾语从句，不能直接跟or not连用。
： 多用于书面语中，可与or或or not连用，除引出宾语从句外，还可引出主语从句、表语从句、同位语从句或与不定式连用。
Often pronounced /'?f/ at the beginning of the sentence. 在句首常重读。
CONJ-SUBORD
(表示条件或假设)假如，如果，要是 You use if in conditional sentences to introduce the circumstances in which an event or situation might happen, might be happening, or might have happened.&
She gets very upset if I exclude her from anything...
要是有什么事情我不让她参加,她会非常难过。
You'll feel a lot better about yourself if you work on solutions to your upsetting situations...
如果你设法找到解决自己麻烦的办法,你自我感觉会好得多。
You can go if you want...
你要是想走就可以走。
CONJ-SUBORD
(用于间接疑问句)是否 You use if in indirect questions where the answer is either 'yes' or 'no'.&
He asked if I had left with you, and I said no...
他问我是否和你一块儿离开的,我说不是。
I wonder if I might have a word with Mr Abbot?
请问我能否和阿博特先生说几句话？
CONJ-SUBORD
(表示与句子主要部分的陈述稍有不同)即便，纵然，虽然 You use if to suggest that something might be slightly different from what you are stating in the main part of the sentence, for example that there might be slightly more or less of a particular quality.&
【搭配模式】：with neg
Sometimes, that standard is quite difficult, if not impossible, to achieve...
有时即便有可能达到那个标准，那也是非常困难。
I'm working on my fitness and I will be ready in a couple of weeks, if not sooner...
我正在调养身体,最多两三周以后就可以了。
Many, if not most, scientific papers are presented orally at scientific meetings...
许多科学论文,即便不是大多数,都是以口头形式在科学会议上发表的。
CONJ-SUBORD
如果…可以的话(通常与can，could, may 或 might 连用,在谈话中礼貌地提出自己的观点、转换话题或打断对方) You use if, usually with 'can', 'could', 'may', or 'might', at a point in a conversation when you are politely trying to make a point, change the subject, or interrupt another speaker.&
If I could just make another small point about the weightlifters in the Olympics...
请允许我就有关奥运会举重运动员的问题再补充一点。
So, if we may return strictly to athletics again for a few minutes...
因此,如果我们可以再花几分钟重新回到田径运动话题上来的话……
But if I can interrupt, Joe, I don't think anybody here is personally blaming the Germans...
但是请允许我打断一下，乔,我认为在场的任何人都没有谴责德国人的意思。
CONJ-SUBORD
(用于句首，表示礼貌地请求某人做某事) You use if at or near the beginning of a clause when politely asking someone to do something.&
【语用信息】：politeness
I wonder if you'd be kind enough to give us some information, please?
请问您能不能给我们提供一些信息？
If you will just sign here, we will arrange for your bank to deduct your payments automatically.
麻烦您在这里签一下字,我们将联系您的银行自动扣除您的付款。
CONJ-SUBORD
(用于引导从句中较次要的事实)即便 You use if to introduce a subordinate clause in which you admit a fact which you regard as less important than the statement in the main clause.&
If there was any disappointment it was probably temporary...
即便有点儿失望,也肯定是暂时的。
Even if I'm overstating the case for nutrition, at least it will result in the woman being in charge of her own symptoms...
即便我夸大了营养的重要性,但至少它会让这个女人知道关注自己的症状。
So what if sometimes they stayed rather late, it doesn't mean anything.
因此，即便有时他们熬夜到很晚,那也说明不了什么。
PHR-CONJ-SUBORD
要是不;即使不 You use if not in front of a word or phrase to indicate that your statement does not apply to that word or phrase, but to something closely related to it that you also mention.&
A number of recent advances hold out if not the hope of a cure, then at least the possibility of some drug which could stop the spread of the virus...
近来的一些进展即使不能提供治愈的希望,也至少有望研制出来某种药物来阻止病毒的传播。
She understood his meaning, if not his words, and took his advice.
她即便没听懂他的话,也明白了他的意思,并且接受了他的建议。
PHR-CONJ-SUBORD
(用于过去时,加强语气)如果真的… You use if ever with past tenses when you are introducing a description of a person or thing, to emphasize how appropriate it is.&
【语用信息】：emphasis
I became a distraught, worried mother, a useless role if ever there was one...
我变成了一个忧心如焚的母亲,一个全无用处的角色。
If ever there was the right person in the right job it was she...
要是真的有才尽其用的人,那就是她。
If ever a man needed your love, I need it.
如果说真有一个男人需要你的爱,那就是我。
PHR-CONJ-SUBORD
(与过去时连用，引出一个相对合理的理由)即使仅仅为了(或因为)… You use if only with past tenses to introduce what you think is a fairly good reason for doing something, although you realize it may not be a very good one.&
She writes me often, if only to scold me because I haven't written to her...
她常来信,即使仅仅为了责怪我还没回信给她。
A one-to-one meeting with the US President was necessary, if only for a deeper exchange of views.
与美国总统一对一的会谈是必要的,即便仅仅是为了双方观点更深入的交流。
PHR-CONJ-SUBORD
要是…多好 You use if only to express a wish or desire, especially one that cannot be fulfilled.&
【语用信息】：feelings
If only you had told me that some time ago...
要是你早些时候告诉我该多好啊！
If only it were that simple!...
要是那么简单就好了！
'Hey, listen to me, all that 1980 nonsense is over.' — 'If only, Timothy, if only.'
“嗨,听我说,所有那些 1980 年的无聊之事都结束了。”——“要是这样就好了,蒂莫西,要是这样就好了。”
PHR-CONJ-SUBORD
(表示判断)好像,仿佛,似乎 You use as if when you are making a judgment about something that you see or notice. Your belief or impression might be correct, or it might be wrong.&
The whole room looks as if it has been lovingly put together over the years...
整个房间看起来好像是经过了多年的精心布置。
His heart was pounding, as if he were frightened.
他的心怦怦跳,似乎被吓坏了。
PHR-CONJ-SUBORD
(表示类比)好像，仿佛，似乎 You use as if to describe something or someone by comparing them with another thing or person.&
He points two fingers at his head, as if he were holding a gun...
他把两根手指指向他的头,仿佛他正举着一支枪。
The two cousins looked as if they'd been carved from blocks of ice.
两个堂姊妹看起来像由冰块雕刻而成。
PHR-CONJ-SUBORD
(强调某物不是真的)好像…一样,仿佛,似乎 You use as if to emphasize that something is not true.&
【语用信息】：emphasis
【STYLE标签】：SPOKEN 口语
My husband, for some unknown reason, suggested that I loved my birds more than him: as if I would...
我丈夫,莫名其妙地,暗示我爱鸟甚于爱他：仿佛我真如此似的。
Getting my work done! My God! As if it mattered.
把我的工作做完！老天！好像它真的很重要似的。
要说真有什么的话;甚至正相反 You use 'if anything' to introduce something which strengthens or changes the meaning of the statement you have just made, but only in a small or unimportant way.&
【搭配模式】：PHR with cl
Living together didn't harm our friendship. If anything it strengthened it...
在一起住并没有损害我们的友谊。要说真有什么的话,它反而巩固了我们的友谊。
Asthma drugs are not addictive and you don't need to keep increasing the dose. If anything, the reverse is true.
哮喘药物不会造成药物依赖,你不用持续增大剂量。甚至正相反,减小剂量才对。
显然不是 You use 'It's not as if' to introduce a statement which, if it were true, might explain something puzzling, although in fact it is not true.&
【搭配模式】：V inflects
I am surprised by the fuss she's making. It's not as if my personality has changed.
她的大惊小怪令我很吃惊。显然不是我的个性改变了。
(用于给人建议)如果我是你的话 You say 'if I were you' to someone when you are giving them advice.&
【搭配模式】：PHR with cl
If I were you, Mrs Gretchen, I just wouldn't worry about it...
要是我是你,格蕾琴夫人,我一点都不会担心。
What I'd do if I were you is be nice to him...
如果我是你,我要做的就是对他好。
I should lie down for a bit, if I were you.
如果我是你,我就会躺一会儿。
1. 如果, 假如
If only I had gone by taxi.
假若我是乘计程车去的就好了。
If necessary, give me a ring.
如果需要, 打个电话给我。
If ever eyes could speak, hers did very plainly.
如果说眼睛能说话, 她的眼睛可说得清楚极了。
I will see if he wants to talk to you.
我去了解一下他是否想和你谈话。
3. （承认某事可能，但不很重要）即使, 虽然
We will go even if it rains.
即使下雨, 我们也要去。
If he is poor, at least he is honest.
他虽然穷, 但至少是诚实的。
4. 无论何时,当,每次
She glares at me if I go near her desk.
我一走近她的办公桌, 她就瞪我。
5. （请对方听自己的意见）
6. （置于 could、may 或 might 之前，以提出建议或客气地打断别人的话）
7. （与 will 或 would 连用，表示客气地请求）
8. （用于 ask、know、find out、wonder 等之后，引出两个或以上的可能性之一）是否
9. （用于表示情感的动词或形容词之后）
10. （置于形容词之前，引出对比）虽然，尽管
1. 不确定的事, 无把握的事
If he wins—and it's a big if—he'll be the first Chinese to win for fifty years.
假使他赢了——是否能赢还是一大疑问——他将是五十年来的第一个获胜的中国人。
if的全称：
未分类的(12)
intermediatefrequency
iflge (Danish=according to)
(丹麦语)依照，根据
全部，全文
内场手(棒球)
information feedback
inside foreman
井下工务员
instrument flight
仪表飞行，盲目飞行
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2. 爱再来一次
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