351.The rapidly growing birth rate brings about a lot of environment problems,which the government is supposed to take_____.

　　A.significantly B.severely C.earnestly D.seriously

　　[答案]D.seriously.

　　[注釋]take...seriously是習慣搭配，意為“重視，認真對待”

　　352.Carl wanted to play a joke on Bob but gave himself_____by laughing.

　　A.away B.in C.out D.up

　　[答案]A.away.

　　[注釋]give away暴露，泄露。

　　353.The government is_____and will take the necessary steps to maintain security and stability.

　　A.on the alert B.out of control

　　C.on guard D.in vain

　　[答案]A.on the alert.

　　[注釋]on the alert(=alert;watchful;careful)警惕，小心：Drivers must be on the alert for traffic signals.(=Drivers must be especially careful to see signals when driving a car.)(司機必須密切注視交通信號。)

　　out of control失去控制;on guard站崗;in vain徒勞，無效。

　　354.Many people complain of the rapid_____of modern life.

　　A.rate B.pace C.speed D.growth

　　[答案]B.pace.

　　[注釋]pace走或跑的速度;發(fā)展或進步速度。

　　355.She has lost her handbag with the_____sum of$150 in it.

　　A.extraordinary B.important

　　C.considerable D.valuable

　　[答案]C.considerable.

　　[注釋]considerable相當可觀的。[注意]considerate考慮周到的，體諒的，體貼的：1)She is considerate to others.(她能體諒別人。)2)That was very considerate of you.(你真體諒別人。)