正确答案: C

determining

题目：41________

解析：C

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学习资料的答案和解析：

[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.

[单选题]When did the accident happen?

At about 9:00 am.

[单选题]Suppose and English couple whose ancestors lived near a leafy forest wanted their new-born son to become a world leader, the baby might be named _______.

Donald Greenwood

[单选题]54______

trust

[单选题]无胚乳种子在形成过程中不出现胚乳组织。( )

错误

[单选题]水绵接合生殖时，从一个配子囊放出的配子与另一个配子囊放出的配子在水中结合形成合子。( )

错误