2.環(huán)境污染問(wèn)題越來(lái)越受到人們的關(guān)注,造成環(huán)境污染的主要原因大多是由于人類生產(chǎn)活動(dòng)中過(guò)度排放有關(guān)物質(zhì)引起的。下列環(huán)境問(wèn)題與所對(duì)應(yīng)的物質(zhì)不相關(guān)的是
A.溫室效應(yīng)--二氧化碳 B.光化學(xué)污染--二氧化氮
C.酸雨--二氧化碳 D.白色污染--一次性塑料制品的使用
1.在元素周期表中位于金屬元素和非金屬元素交界處最容易找到的材料是
A.制催化劑的材料 B.耐高溫、耐腐蝕的合金材料
C.制農(nóng)藥的材料 D.半導(dǎo)體材料
11.(09江蘇) He did not regret saying what he did but felt that he it differently.
A. could express B. would express
C. could have expressed D. must have expressed
[答案]C
10.(09全國(guó)2) I can’t leave. She told me that I stay here until she comes back.
A.
can B.
must C. will D. may
[答案]B
9.(09重慶)
-Hi, Tom.
Any idea where Jane is?
-She_____in the classroom.
I saw her there just now.
A.
shall be B. should have been
C. must be D.
might have been
[答案]C
8.(09天津) This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.
A. would B. should C. could D. might
[答案]B
7.(09四川) -I don’t care what people think.
-Well,
you _______
A.
could B.
would C. should D.
might
[答案]C
[解析]考查情態(tài)動(dòng)詞的用法。答話的人提了一個(gè)建議--你應(yīng)該關(guān)注別人對(duì)你的評(píng)價(jià)的。should可以用來(lái)向別人提建議,所以答案為:C
6.(09上海) It_____ have been Tom that parked the car here, as he is the only one with a car.
A.
may
B. can
C. must D.
should
[答案]C
5.(09海南) What do you mean, there are only ten tickets? There be twelve
A. should B. would
C. will D. shall
[答案]A。 你這是什么意思,只有十張票嗎?應(yīng)該有十二人。should表示“應(yīng)該,應(yīng)當(dāng)”。
4.(09湖南)- It’s the office! So you know eating is not allowed here.
- Oh, sorry.
A. must B. will C. may D. need
[答案]A 句意為:這是辦公室!因此你必須知道吃的不允許帶到這里。must表示“絕不”的意思。
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