The black teacher set a good example ____ all the rest of the group, _____ all peace-loving people.

to, who are

for, which was

to, which are

to, who were

[翻譯]黑人教師給其他所有愛好和平的人樹立了一個好榜樣。[解析] D 解析：set an example to表示給某人樹榜樣，由此可以排除B;因先行詞指人，故使用who引導(dǎo)非限定性定語從句，由此可以排除C; 根據(jù)時態(tài)的一致原則可知，此處應(yīng)當(dāng)使用一般過去時，故正確答案為D項(xiàng)。

It is the ability to do the job ______ matters not where you come or what you are.

one

that

what

if

考查強(qiáng)調(diào)句。句意：是做這項(xiàng)工作的能力更重要而不是你從哪里來和你是誰。此句是強(qiáng)調(diào)句，基本結(jié)構(gòu)是It is/was+被強(qiáng)調(diào)部分+that，此處強(qiáng)調(diào)the ability to do the job，故選B.

According to Professor Johnson, we don't have to read the book if we don't want to, as it is              .

worthwhile

necessary

optional

serious

考查形容詞詞義辨析。句意：根據(jù)約翰遜教授的說法，如果我們不想讀這本書，就不必讀，因?yàn)樗强蛇x擇的。A. worthwhile值得的； B. necessary 必要的；C. optional 可選擇的；D. serious 嚴(yán)肅的，認(rèn)真的。根據(jù)“  we don't have to read the book if we don't want to”可知，這本書讀不讀都可以，由此可知它是“可選擇的”。故選C項(xiàng)。

They elected him          captain of the team for         second time.

the; a

a; the

a; a

/; a

考查冠詞的用法。句意：他們再次選他當(dāng)隊(duì)長。職位，官銜前面不加冠詞，a second time表示“又一次，再次”；the second time表示第二次（順序）。故選D項(xiàng)。