1. What _____ unusual school trip we had! I will never forget it.
A. a B. an C. the D. /
【答案】B。
【解析】考查冠詞和感嘆句。句意:我們的學(xué)校旅行多么不尋常!我永遠(yuǎn)不會忘。a不定冠詞,表達泛指,用在輔音音素開頭的單詞前;an不定冠詞,表達泛指,用在元音音素開頭的單詞前;the定冠詞,表達特指。此處是感嘆句“what+a/ an+形容詞+單數(shù)可數(shù)名詞”,unusual是元音音素開頭的單詞,前用不定冠詞an。故選B。
2. You’d better not hang out after school _____ telling your parents. They may worry about you.
A. by B. with C. without D. after
【答案】C。
【解析】考查介詞辨析。句意:在沒有告知你父母的情況下,你最好不要放學(xué)以后閑逛,他們可能會擔(dān)心你。by通過;with有;without沒有;after在……之后。根據(jù)題干中“They may worry about you.”講到父母可能會擔(dān)心你,由此推出要用一個表示否定含義的介詞,表示“沒有告知父母”,用without符合題意。故選C。
3. Li Lei didn’t play computer games last weekend. _____, he worked as a volunteer in an old people’s home.
A. Instead B. Certainly C. Though D. Gradually
【答案】A。
【解析】考查副詞辨析。句意:李雷上周末沒有玩電腦游戲。相反,他在一家養(yǎng)老院做志愿者。instead相反地;certainly當(dāng)然;though然而;盡管;gradually逐漸地。根據(jù)句意可知,李雷沒有玩游戲,而是去當(dāng)志愿者,空后表示與前面相反的事情,因此instead符合語境。故選A。
4. Please remember to _____ the electricity and water before you leave the laboratory.
A. take off B. shut off C. go off D. put off
【答案】B。
【解析】考查動詞短語。句意:請記得在離開實驗室前關(guān)掉電源和水。take off起飛,脫掉;shut off關(guān)掉;go off爆炸,走開,動身,發(fā)射;put off推遲。根據(jù)“the electricity and water”可知此處表達“關(guān)掉電源和水”,用動詞短語shut off。故選B。
5. — Is this hat _____?
— No, the red one is _____.
A. Lucy’s; her B. Lucy; her C. Lucy’s; hers D. Lucy; hers
【答案】C。
【解析】考查所有格和代詞用法。句意:——這頂帽子是露西的嗎?——不是,紅色的是她的。Lucy露西,人名;Lucy’s露西的,-’s所有格;her她的,形容詞性物主代詞;hers她的,名詞性物主代詞。問句中空格后沒有名詞,故應(yīng)用-’s所有格表示所有關(guān)系,即露西的帽子;答語空格后沒有名詞,故應(yīng)用名詞性物主代詞hers代指her hat。故選C。