221. There are 5 ________ in the passage about nanometer(纳米) technology we have just read. Please tell me the general meaning of the first one.

　 　 A. persons　　　　　　 　　　 B. paragraphs　　　　 　　 C. articles　　　　　　　 　　 D. units

220. Mr. Wang was reading ______ on how to learn a foreign language when someone came to see him.

　 　 A. paper　　　　 　　　　　　 B. a piece of paper 　　 C. a paper　　　　　　　 　　 D. a sheet of paper

219. I received a postal packet yesterday. Which of the following can replace the underlined word? _____

　 　　 A. bag　　　　　　　　　 　　　 B. baggage　　　　　　　　　 C. package　　　　　　　　　　 D. parcel

218. There came a voice of “　　　 ”. She got her ring finger scratched by the bottle opener.

　　 A. Aha　　　　 　　　　　 B. Yummy　　　　 　　 C. Ugh　　　　 　　　　 D. Ouch

217. The constitution(宪法)reads: Any party, whether in office or in　　　　 , should serve the majority of the people heart and soul。

　　 A. opposition　　　 　　 B. post　　　　　　 　 C. occupation　　　 　 D. order

216. If you feel dizzy in a coal-burning room, that’s lack of　　 . Please open the window and air the room at once.

　 A. onion　　　　 　　　　 B. hydrogen　 　　　　 C. oxygen　　　 　　　　 D. carbon-dioxide

215. Of all the English universities, the most famous are Cambridge and　　　 　, from which many English Prime Ministers were graduated.

　 A. Oxford　　　　 　　　　 B. Maryland　　　　 　 C. South Wales　　 　　 D. Harvard

214. Our national current　　　 is characterized by such a variety of modes as a joint venture and monopoly capital, apart from State, Collective and Individual.

　 　　 A. ownership　　　 　　 B. owner　　　　 　　　　 C. owing　　　　　 　　 D. owning

213. ________ is a warm coat over ordinary clothes in cold weather, its thinner one called “topcoat” in A.E(American English).

　 A. Suit　　　　　　　　　　　　　 B. Skirt　　　　　　　　　　　　 C. Overcoat　　　　　 　　 D. Gloves

212. --- What do you think of the novel?

　 --- In my _________, its just so so.

　 A. thought　　　　 　　　　　　 B. idea　　　　　　　　　　　　 C. occupation　　　　 　　 D. opinion