If we have too______ fat and sugar, we will be in poor health.

A. few B. little C. many D. much

D 【解析】句意：如果我們有太多的脂肪和糖分，我們的健康狀況就會不佳�？疾樾稳菰~辨析題。四個選項(xiàng)都是形容詞，few和many修飾復(fù)數(shù)名詞，而fat and sugar是不可數(shù)名詞，可排除AC選項(xiàng)。little和much都修飾不可數(shù)名詞，但little表示否定意義，強(qiáng)調(diào)“幾乎沒有”，不可用副詞too修飾，也可排除。too much太多的，后接不可數(shù)名詞；根據(jù)句意語境，可知選A。

Some people don’t care about the environment, and make it even______.

A. bad B. badly C. worse D. worst

C 【解析】句意：有些人不關(guān)心環(huán)境，使環(huán)境變得更糟�？疾樾稳菰~比較級辨析。even甚至，修飾比較級，bad和badly都是原級，worst是最高級，可排除ABD三個選項(xiàng)。根據(jù)句意語境，可知選C。

Joe had spent nearly a month preparing his singing contest, but the effect wasn’t as______ as he had expected.

A. well B. good C. better D. best

B 【解析】句意：喬花了將近一個月的時間準(zhǔn)備他的歌唱比賽，但效果不如他預(yù)料的那么好�？疾橥�級比較。as…as是固定短語，用于同級比較，中間需要原級形容詞或副詞；better是比較級，best是最高級，都可排除。本句空白處是對主語the effect（效果，抽象名詞）的描述，需用形容詞，well是副詞，可排除。根據(jù)句意語境，可知選B。

The professor wanted to know______ his students would do with the water pollution caused by the factory.

A. where B. when C. what D. why

C 【解析】句意：教授想知道他的學(xué)生會對工廠造成的水污染做些什么。考查疑問詞辨析題。A. where在哪里，問地點(diǎn)；B. when什么時候，問時間；C. what什么，問事/物；D. why為什么，問原因。本句是賓語從句，從句動詞do是實(shí)義動詞“做”，需接賓語，where、 when、why都不可做賓語，可排除。根據(jù)句意語境，可知選C。

We climbed to the top of the mountain______ we might see the scenes better.

A. so that B. as soon as C. now that D. as

A 【解析】句意：我們爬上了山頂，以便能更好地看到景色�？疾槟康臓钫Z從句。A. so that以便，表目的；B. as soon as一……就……，表時間；C. now that既然，表原因；D. as由于，表原因；當(dāng)……時，表時間。本句表目的，根據(jù)句意語境，故選A。

Everything changed ________ quickly that I hardly had time to prepare.

A. such B. so C. very D. quite

B 【解析】試題分析：句意：一切改變的那么快，以至于我?guī)缀鯖]有時間去準(zhǔn)備。so…that…如此的……以至于……，根據(jù)句意，故選B。

Teachers and parents______ allow the children to tell their own ideas.

A. can B. may C. should D. need

C 【解析】句意：老師和家長應(yīng)該讓孩子們說出自己的想法�？疾榍閼B(tài)動詞辨析題。A. can能夠，表可能性；B. may可能，表許可或猜測；C. should應(yīng)該，用于提建議；D. need需要，多用于否定句、疑問句和if等條件句，做實(shí)意動詞需用need to do結(jié)構(gòu)。根據(jù)句意語境，本句是提建議，可知選C。

Unluckily, his left leg ______seriously in a football game last week.

A. hurt B. has been hurt C. was hurt D. is hurt

C 【解析】句意：不幸的是，他的左腿在上周的一場足球賽中受了重傷�？疾楸粍诱Z態(tài)。last week上個星期，用于一般過去時態(tài)，ACD三項(xiàng)都是現(xiàn)在時，均可排除。主語leg是動詞hurt的受動者，需用被動語態(tài)；根據(jù)句意結(jié)構(gòu)和語境，可知選C。

The greenhouse effect may cause the level of the sea______.

A. to rise B. rise C. rising D. to raise

A 【解析】句意：溫室效應(yīng)可能導(dǎo)致海平面上升。考查動詞形式辨析題。cause使/迫使，一般接不定式的復(fù)合結(jié)構(gòu)，即cause sb./sth. to do，可排除BD選項(xiàng)。動詞raise表示舉起、提起、提升、增加，后面必須接賓語，而rise強(qiáng)調(diào)自然“上升”，后面不接賓語。根據(jù)句意結(jié)構(gòu)和語境，可知選A。

My father______in this school since he was 25 years old.

A. had worked B. worked C. was working D. has worked

D 【解析】句意：我父親從25歲起就在這所學(xué)校工作�？疾閯釉~時態(tài)辨析題。since he was 25 years old. 從他25歲開始，since表示的是一段時間，用于現(xiàn)在完成時態(tài)�，F(xiàn)在完成時態(tài)的結(jié)構(gòu)是“have/has+現(xiàn)在分詞”，根據(jù)句意結(jié)構(gòu)，可知選D。