1. Frances Perkins， _________ of the United States cabinet， served in the cabinet as secretary of labor from 1933 to 1945.
A. the first female member
B. was the first female member
C. the first female member who
D. of whom the first female member
答案：A
分析：主語同位語結(jié)構(gòu)。B中多了一個(gè)謂語was，因?yàn)楹竺嬉呀?jīng)有一個(gè)謂語動(dòng)詞served， 一個(gè)句子中出現(xiàn)2個(gè)謂語且沒有連接詞就一定錯(cuò); C中who多余，用法也不正確;D中of whom多余，不是定語從句，考的是同位語結(jié)構(gòu)。
參考譯文：Frances Perkins，是美國內(nèi)閣的第一為女性成員，她從1933到1945年在內(nèi)閣擔(dān)任勞工部秘書。
2. When _________ to dough and heated， carbon dioxide is released， causing the dough to rise.
A. is added baking powder
B. added baking powder is
C. is baking powder added
D. baking powder is added
答案：D
分析：When為狀語從句引導(dǎo)詞;語序應(yīng)該為正常語序，A，C錯(cuò);B語序混亂，明顯應(yīng)該用被動(dòng)形式，而且有固定結(jié)構(gòu)add to.
參考譯文：當(dāng)把烘烤用粉加到面團(tuán)里加熱的時(shí)候，會(huì)釋放出二氧化碳，使得面團(tuán)漲開。
3. _________ the percentage of individuals with similar traits in succeeding generations， geneticists use the theory of probability.
A. The calculation of
B. To calculate
C. Is calculating
D. Calculated
答案：B
分析：to calculate，這里用不定式表示“目的”，前半句的邏輯主語是geneticists，只有B符合要求;A中只有主語，句子不完整。
參考譯文：遺傳學(xué)家運(yùn)用概率的理論來計(jì)算在后代中擁有相似特點(diǎn)個(gè)體占有的百分比。
補(bǔ)充： 如同A的形式， 逗號(hào)前面就是一個(gè)名詞短語， 然而正確的句子里， 名詞短語要么作為主語的同位語， 要么本身是主語， 如11題。 否則就是脫離句子成分， 成為錯(cuò)誤。
4. Big- band uaaz relies on fixed arrangements， where_______than one instrument playing some of the parts， rather than on improvisation.
A. is more
B. whenever more
C. there is more
D. more
答案：C
分析：where引導(dǎo)狀語從句，后面缺主謂。
參考譯文：大型樂隊(duì)爵士依賴于固定的安排，其中演奏相同部分音樂的樂器超過一個(gè)，而不是現(xiàn)聲發(fā)揮。
5. Because of _________ diversity， seven separate groupings or divisions of algae have been established by botanists.
A. them
B. so that
C. those
D. their
答案：D
分析：those是泛指，這里應(yīng)該用their來特指seven separate groupings or divisions of algae.
參考譯文：因?yàn)楹Ｔ鍌兊牟煌匦�，植物學(xué)家把他們分成7個(gè)不同的組別或分支。