166. The Great Wall is one of the eight wonders in the world, which ____ from the third century B. C..

　　A. dated B. is dated C. dates D. was dated

　　167. In order to complete the task tomorrow, we need to work ____ hours today.

　　A. ten other B. other ten C. ten another D. ten more

　　168. ---When will our astronauts land on the moon?

　　---Perhaps in ____ 10 years.

　　A. some B. rather C. any D. more

　　169. Nowadays our government is ____ about health care.

　　A. curious B. serious C. anxious D. various

　　170. The police always take advantage of dogs’ ____ sense of smell to search for something.

　　A. sensitive B. sharp C. practical D. fluent

　　171. In order to save energy, many factories have brought in some ____ machines.

　　A. effective B. expensive C. efficient D. extreme

　　172. There must be ____ than man in some other unknown planet.

　　A. more cleverly a creature B. a more clever creature

　　C. more a clever creature D. a creature more cleverly

　　173. Cheer up, Maria! You can also enjoy ____ you have been dreaming of, if you don’t lose heart.

　　A. as a convenient life as B. as convenient a life as

　　C. as a life convenient as D. convenient as a life as

　　174. This month our family has consumed ____ water as we did last month.

　　A. as twice as much B. more than twice

　　C. twice as much as D. more than twice as much

　　175. One needs to be ____ of what his or her shortage is.

　　A. familiar B. particular C. aware D. certain

　　176. If one is not sure ____, he is sure ____.

　　A. to win, to lose B. of winning; to lose

　　C. to win; of losing D. of winning; of losing

　　177. If there are two ways to choose from, most people prefer ____ one.

　　A. easy B. easier C. an easier D. the easier

　　178. The movie The Promise is ____ than The Fearless, so I like neither of them.

　　A. not less interesting B. no less interesting

　　C. no more interesting D. not more interesting

　　179. Our company would like to employ ____ workers.

　　A. local twenty skilled B. twenty local skilled

　　C. skilled twenty local D. twenty skilled local

　　180. May every candidate pass the college entrance examination ____!

　　A. smoothly B. comfortably C. conveniently D. naturally