C. are attempting D. will be attempting

　　【解析】選B。句意: MH370航班在哪兒呢? 幾個(gè)多月以來(lái)調(diào)查人員一直試圖回答這個(gè)問(wèn)題。“試圖回答這個(gè)問(wèn)題”發(fā)生在過(guò)去, 并且一直在進(jìn)行, 故用現(xiàn)在完成進(jìn)行時(shí)。

　　2. The charity sale our school organizes every year has taught us much. ________ we would never have learned it in class.

　　A. Therefore B. Meanwhile

　　C. Otherwise D. Instead

　　【解析】選C。句意: 每年我們學(xué)校組織的慈善義賣教給我們?cè)S多東西。否則的話, 在課堂上我們永遠(yuǎn)不會(huì)學(xué)到這些。otherwise否則; therefore因此; meanwhile與此同時(shí); instead代替。

　　【加固訓(xùn)練】

　　(2015·南京模擬)The conservation area is very important for preserving many animals and plants, which would ________ run the risk of becoming extinct.

　　A. otherwise B. therefore

　　C. though D. instead

　　【解析】選A。句意: 自然保護(hù)區(qū)對(duì)保護(hù)許多動(dòng)植物很重要, 不然, 這些動(dòng)植物有瀕臨滅絕的危險(xiǎn)。otherwise否則; therefore因此; though盡管; instead代替。

　　3. (2015·合肥模擬)The 2016 Summer Olympic Games will be held in Rio de Janeiro, Brazil, which becomes the first city in South America ________ Olympics.

　　A. hosting B. to host

　　C. having hosted D. being hosted

　　【解析】選B。句意: 2016年夏季奧運(yùn)會(huì)將在巴西里約熱內(nèi)盧舉行, 它將成為南美洲第一個(gè)舉辦奧運(yùn)會(huì)的城市。序數(shù)詞修飾名詞時(shí)后跟不定式作后置定語(yǔ)。

　　4. A special title was awarded to her, an ordinary Chinese teacher, ________ her act of bravery to rescue two students at the risk of her own life.

　　A. in favor of B. in place of

　　C. in honor of D. in terms of

　　【解析】選C?？疾榻樵~短語(yǔ)。句意: 她——一位普通的語(yǔ)文教師, 被授予一個(gè)特殊的稱號(hào), 以表彰她冒著生命危險(xiǎn)挽救兩名學(xué)生的英勇事跡。in favor of支持, 擁護(hù); in place of代替; in honor of紀(jì)念, 表彰; in terms of就……而言。

　　5. Needles apparently stuck into the body of an 11-month-old baby by her abusive aunt were surgically(手術(shù)地) ________ on Tuesday.

　　A. moved B. placed C. replaced D. removed

　　【解析】選D?？疾閯?dòng)詞辨析。句意: 在周二被虐待她的阿姨刺進(jìn)這個(gè)11個(gè)月大的嬰兒身體里的針被用手術(shù)取出了。remove移除; move移動(dòng); place放置; replace代替。

　　【加固訓(xùn)練】

　　Steve shouldn’t be ________ from school although he was very naughty.

　　A. disappeared B. gone

　　C. removed D. beaten

　　【解析】選C。考查動(dòng)詞辨析。句意: 盡管史蒂夫非常淘氣, 也不應(yīng)該把他從學(xué)校開(kāi)除。remove. . . from school“把某人從學(xué)校開(kāi)除”; disappear“消失”; go“離去”; beat“擊敗”。

　　6. (2015·溫州模擬)Experts warn that global warming will cause extreme climate changes including more ________ floods, heat waves and droughts.

　　A. usual　　B. ordinary　　C. frequent　　D. common

　　【解析】選C。句意: 專家警告說(shuō)全球變暖會(huì)導(dǎo)致極端氣候變化包括洪災(zāi)頻發(fā)、熱浪和干旱。frequent頻繁的; usual通常的; ordinary普通的; common常見(jiàn)的。

　　7. We are now enjoying the cool air in the room. ________ , the farmers are harvesting crops in the hot sun.

　　A. Therefore B. Besides

　　C. As a result D. In the meanwhile

　　【解析】選D。句意: 我們現(xiàn)在在房間享受清涼的空氣, 與此同時(shí), 農(nóng)民們正在炎熱的陽(yáng)光下收割莊稼。in the meanwhile與此同時(shí); therefore因此; besides此外; as a result結(jié)果, 因此。

　　8. (2015·合肥模擬)Most of us found every team of the 2014 FIFA World Cup ________ violently in the match. A. to compete B. competing

　　C. having competed D. competed

　　【解析】選B。句意: 我們大多數(shù)人都發(fā)現(xiàn)2014年世界杯中的每一支球隊(duì)都在激烈競(jìng)爭(zhēng)。every team與compete之間為主動(dòng)關(guān)系, 故用動(dòng)詞-ing形式。

　　9. (2015·漳州模擬) ________ , the driver looked at the vast desert without knowing if he could get across safely.

　　A. Tired and sad B. Tired and sadly

　　C. Tiredly and sad D. Tiredly and sadly

　　【解析】選A。句意: 又累又難過(guò), 那個(gè)司機(jī)看著廣袤的沙漠, 不知道他能否安全通過(guò)。此處為形容詞短語(yǔ)作狀語(yǔ)。

　　10. (2015·湘潭模擬)—Has Peter started out? He said he would go hiking with us.

　　—He ________ . He is a man of his word.

　　A. could have started B. must have started

　　C. could start D. must start

　　【解析】選B。句意: ——Peter已經(jīng)出發(fā)了嗎? 他說(shuō)他會(huì)與我們一起去遠(yuǎn)足。——他肯定已經(jīng)出發(fā)了。他是一個(gè)信守諾言的人。根據(jù)“He is a man of his word. ”可知, 答話人猜測(cè)Peter肯定已經(jīng)動(dòng)身了。must have done表示對(duì)過(guò)去情況的肯定猜測(cè), 符合語(yǔ)境。