16. The zoo worker told the visitors that in the case of a highly ________ animal, performance training is easy and not so painstaking.

　　A. intelligent B. interactive

　　C. internal D. initial

　　[解析]句意：動(dòng)物園工作人員告訴游客，在碰到高智商動(dòng)物的情況時(shí)，訓(xùn)練表演很容易，不那么費(fèi)勁。intelligent 聰明的;interactive 相互作用的，相互影響的;internal 內(nèi)部的，里面的;initial 開始的，最初的。由句意可知A項(xiàng)正確。

　　[答案]A

　　17.—What do you think of investing in today's stock market?

　　—There are many risks, but also many ________ gains.

　　A. potential B. confidential

　　C. influential D. preferential

　　[解析]句意：—你認(rèn)為投資現(xiàn)今的股票市場(chǎng)怎么樣?—有許多風(fēng)險(xiǎn)之處，但也有潛在的獲利機(jī)會(huì)。potential 潛在的;有潛能的;confidential 機(jī)密的;機(jī)要的;influential 易受影響的;preferential 優(yōu)先的，優(yōu)待的，優(yōu)惠的。由句意可知A項(xiàng)正確。

　　[答案]A

　　18.________， the boys were shouting and singing.

　　A. Happy and excited B. Happily and excited

　　C. Happily and excitedly D. Happy and excitedly

　　[解析]句意：既高興又興奮，男孩子們又喊又唱的。分析結(jié)構(gòu)可知，此處用形容詞作狀語，表示主語 the boys 的狀態(tài)，故A項(xiàng)正確。

　　[答案]A

　　19.After climbing up the top of the mountains, the three of them sat there, ________.

　　A. hungry and tiredly B. hungrily and tiredly

　　C. hungry and tired D. hungrily and tired

　　[解析]句意：爬到山頂之后，他們?nèi)齻�(gè)坐在那，又累又餓。由語境可知，此處是形容詞作狀語，表示主語 the three of them 所處的狀態(tài)，故C項(xiàng)正確。

　　[答案]C

　　20.After the long journey, the Smiths returned home, ________.

　　A. safely but tired B. safe but tired

　　C. safe and tiring D. safely and tiring

　　[解析]句意：長途旅行過后，史密斯一家回來了，安全但很疲憊。由語境可知，此處應(yīng)用形容詞作狀語，表示主語 the Smiths 的狀態(tài)，故選B項(xiàng)。C項(xiàng) tiring 不能修飾人。

　　[答案]B

　　21.His first book is of great use for our course. But his latest one is ________ worth reading.

　　A. better B. more

　　C. much D. very

　　[解析]句意：他的第一本書對(duì)我們很有用。但他最近的這一本更值得一讀。be well worth doing 很值得做某事，well 的比較級(jí)為 better，故A項(xiàng)正確。

　　[答案]A

　　22.The Chinese women's volleyball team was the champion in the 16th Asian Olympic Games but the Korean women's volleyball team was only ________ beaten.

　　A. nearly B. narrowly

　　C. hardly D. slightly

　　[解析]句意：中國女子排球隊(duì)是第16屆亞運(yùn)會(huì)的冠軍，但韓國女子排球隊(duì)險(xiǎn)些勝利。nearly 接近;narrowly 險(xiǎn)些，差點(diǎn)兒;hardly 幾乎不;slightly 稍微，略微。be narrowly beaten“勉強(qiáng)被打敗”，言外之意是“差點(diǎn)贏了”。

　　[答案]B

　　23.—What time do we have to be at the gate of the museum?

　　—________ the visitors begin to check in.

　　A.Immediately B.Quickly

　　C.Hurriedly D.Gradually

　　[解析]immediately 引出時(shí)間狀語從句，意為一……就……。

　　[答案]A

　　24.It's likely that she will be______ from punishment, as our teacher has been convinced by her excuse.

　　A.absent B.distant

　　C.distinct D.desperate

　　[解析]be absent from 逃脫……。

　　[答案]A

　　25. On snowy days, you have to drive very ________ to avoid traffic accidents.

　　A. cautiously B. neatly

　　C. smoothly D. properly

　　[解析]句意：在下雪天，你得小心翼翼開車以避免交通事故。cautiously 小心謹(jǐn)慎地;neatly 整潔地;smoothly 順利地，平穩(wěn)地;properly 合適地，恰當(dāng)?shù)�。由句意可知A項(xiàng)正確。

　　[答案]A

　　26.She not only entered the competition—she ________ won it!

　　A. hopefully B. especially

　　C. actually D. exactly

　　[解析]hopefully 有希望地;especially 特別，尤其;actually 事實(shí)上，竟然;exactly 確切地;由句意“她不但進(jìn)了比賽，還竟然贏了”可知，此處表示意想不到的結(jié)果，用 actually表示“竟然”。

　　[答案]C

　　27.When Helen saw her tutor nod ________ to her, she calmed down and went on with her performance.

　　A.encouragingly B.amazingly

　　C.interestingly D.accordingly

　　[解析]encouragingly 鼓勵(lì)地。句意：當(dāng)海倫看到導(dǎo)師鼓勵(lì)地向她點(diǎn)頭，她平靜下來繼續(xù)演出。

　　[答案]A

　　28.With everything destroyed in the flood, he felt ________ hopeless and killed himself.

　　A.hardly B.luckily

　　C.sincerely D.totally

　　[解析]totally hopeless 完全絕望了。

　　[答案]D

　　29.—I'm not feeling very well, Barton. To tell you the truth, I'm tired of the present life.

　　—I suggest you do some ________ exercise to keep fit.

　　A.normal B.general

　　C.common D.regular

　　[解析]regular 有規(guī)律的，符合句意。general 一般的;common 常見的，共同的;normal 正常的。

　　[答案]D

　　30.Teachers' Day is a festival based more on the ________ aspect than the material level, and the stress on gifts has caused it to lose its original meaning.

　　A.physical B.moral

　　C.cultural D.spiritual

　　[解析]spiritual 精神的。句意：教師節(jié)是一個(gè)更多以精神而不是以物質(zhì)為基礎(chǔ)的節(jié)日，并且禮物的壓力已使它喪失了最初的意義。

　　[答案]D