正确答案: A

种类

题目：根据微生物的什么不同，则灭菌的方法不同，灭菌的效果也不同（ ）。

解析：A

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举一反三的答案和解析：

[单选题]When was duet most probably found to be the very hero?

a couple of days after the girl was rescued

解析：推理判断题。根据文章倒数第二自然段可以推断出本题选B。

[单选题]慈姑的( )供食用或制淀粉，或药用。

球茎

[单选题]在洋葱表皮细胞观察实验中，用I-KI染液染色后，被染成黄色的小圆球体为( )。

细胞核

[单选题]According to the passage, people are advised_______.

not to keep wild parrots as pets

[单选题]The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.

girls’; Tom’s

[单选题]Historians have always considered Zhang Qian’s mission important because they believe .

be helped establish East-West trade

[多选题]第二节：Peter, Helen, Catherine, Elizabeth和Levin 想根据各自在环保方面的兴趣（61-65）进行案例研究。阅读下面某杂志的专题报道摘要（A、B、C、D、E和F），选出适合他们研究的最佳案例，并在答题纸上相应选项的标号涂黑。选项中有一项是多余选项。61. Peter: Reducing plastic and other wastes through DIY.

A

C

D

E

F

解析：F,E,A,C,D

[单选题]BWhen people hear a president speak, they seldom think about others helping to shape the presentation（报告）. Today, however, presidents depend on writers such as J. Terry Edmonds to help them communicate（交流）effectively. Edmonds is the first African American ever to work as a full-time speechwriter for a U.S. president; he is also the first African American to serve as director of speechwriting for the White House. His is an all-American story of success.

Edmonds graduated from Morgan State University in 1967.