Did you pay attention to the teacher?

A. listen to B. listening to C. listen D. look

B 【解析】句意：你注意聽老師說話了嗎？考查動詞形式辨析題。look看，與at連用后接賓語；listen聽，與to連用，后接名詞；pay attention to注意，介詞to后接名詞或動名詞；listen聽，與to連用接賓語；look看，與at連用接賓語。根據(jù)句意和語境，可知選B。

It was China that first coal(煤) and used it in the world.

A. found B. found out C. discovered D. invented

C 【解析】句意：這是中國首次在世界上發(fā)現(xiàn)煤和使用它�？疾閯釉~辨析題。A. found尋找，強調(diào)過程；B. found out找出，強調(diào)結(jié)果；C. discovered發(fā)現(xiàn)（本就存在的事物）；D. invented發(fā)明（不曾有的事物）。first第一次；根據(jù)句意和語境，可知選C。

Sam likes to go to the cinema, but he doesn't like to see the thrillers.

A. Since B. As C. Though D. /

D 【解析】句意：山姆喜歡去電影院看電影，但他不喜歡看恐怖片�？疾檫B詞辨析題。A. Since自從，表時間；B. As由于，表原因；C. Though盡管，表讓步。本句前后是轉(zhuǎn)折關(guān)系，用but連接，根據(jù)句意結(jié)構(gòu)和語境，可知選D。

The camera is expensive I can't afford it.

A. so; that B. such; that C. so; as D. too; to

A 【解析】句意：這相機太貴了，我買不起�？疾楣潭ň涫健！皊uch+a/an+形容詞+名詞+that從句”和“so+形容詞/副詞+that從句”結(jié)構(gòu)不同，意義一致，都表示“如此/這么……以至于……”的意思；so as只要；too+形容詞/副詞+to，表示“太……而不能……”，表否定意義。根據(jù)句意和語境，可知后面三項結(jié)構(gòu)都與句意不合，故選A。

--- Mrs. Li, will you be angry your students don't obey the rules in class?

--- A little. But I will stop them in a friendly way.

A. if B. unless C. though

A 【解析】句意：——李太太，如果你的學(xué)生在課堂上不遵守規(guī)則，你會生氣嗎？——有一點。但我會用友好的方式阻止他們。考查連詞辨析題。A. if如果，表條件；B. unless除非，表條件，相當于if…not；C. though盡管，表讓步。本句是條件狀語從句，需用if引導(dǎo)，根據(jù)句意和語境，可知選A。

----Did you call Sara back ?

----I didn’t need to ,_____ we’ll have a meeting together tonight.

A .though . B. unless C .because D. if

C 【解析】連詞辨析。Though雖然，盡管；unless除非；because因為；if是否，如果。句意：你喊薩拉回來了嗎？——我不必。因為我們今晚一起有個會議。故選C。

Do you think is important ?

A. that; exercise B. it; exercise

C. that; to exercise D. it; to exercise

D 【解析】句意：你認為鍛煉身體很重要嗎？考查賓語從句和動詞形式辨析。it+is+形容詞+to do sth.做某事是……的，固定句式；本句是賓語從句，it是從句的形式主語，不定式才是真正主語。根據(jù)句意結(jié)構(gòu)和語境，可知選D。

You can improve your English ____ reading more.

A. in B. with

C. by D. of

C 【解析】試題分析：句意：你可以通過多閱讀提高你的英語。In在……里；with和；by通過；of……的。所以選C。

How do you learn English words?

making flashcard.

A. To B. By C. For D. With

B 【解析】句意：你如何學(xué)習英語單詞？——通過制作抽認卡。by doing sth通過做某事，故選B。

--- Could you tell me what time the train leaves Wuhan for Beijing?

--- I'm afraid you need to on the Internet.

A. look for it B. look at it C. look it over D. look it up

D 【解析】句意：——你能告訴我火車什么時候離開武漢去北京嗎？——恐怕你得在網(wǎng)上查一下�？疾閯釉~短語辨析題。look for尋找，著重于過程；look at看；look over仔細檢查/審視；look up查驗。這些都是動詞短語，當有代詞做其賓語時，代詞需放在中間。need to do需要做某事；根據(jù)句意結(jié)構(gòu)和語境，可知選D。