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【单选题】
DNA复制之初,参与解开双股链的酶或因子是A.
酶
B.
拓扑异构酶Ⅰ
C.
DNA结合蛋白
D.
引发前体
E.
拓扑异构Ⅱ
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皮皮学刷刷变学霸
举一反三
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
How John Milton Wrote Paradise Lost.
B.
How John Milton Became a Poet.
C.
How John Milton Studied Latin.
D.
How John Milton Became Famous.
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
To offer a criticism of the works of Pearl Buck.
B.
To illustrate Pearl Buck's views on Chinese literature.
C.
To indicate the background and interests of Pearl Buck.
D.
To discuss Pearl Buck's influence on the cultures of the East and the West.
【单选题】在社区护理诊断中，按照北美护理诊断协会护理诊断系统，属于健康性护理诊断的是
A.
有增强社区应对的趋势
B.
社区应对无效
C.
家庭运行中断
D.
有中毒的危险
E.
有照顾者紧张的危险
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
Because people don't know how to behave in social situations.
B.
Because most people are shy by nature.
C.
Because nobody will laugh at you for being shy.
D.
Because shyness is difficult to overcome.
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
How John Milton Wrote Paradise Lost.
B.
How John Milton Became a Poet.
C.
How John Milton Studied Latin.
D.
How John Milton Became Famous.
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