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【判断题】
C8051F已成为一个完善的、系统级的芯片。( ) 【参考答案】C8051F系列单片机是目前功能最全、速度最快的8051衍生单片机,其内部集成很多外围芯片功能。已成为一个完善的、系统级的芯片。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】When applying for an academic program, the body part of your letter should include ___________.
A.
self-introduction
B.
purpose of writing
C.
your academic areas/interests/experience
D.
other related qualifications/skills
【单选题】If you want your reader feeling a sincere, polite tone, your letter should be
A.
complete
B.
correct
C.
clear
D.
courteous
【单选题】If your reader is a busy person with no time to waste, your letter should be
A.
concise
B.
correct
C.
clear
D.
courteous
【简答题】Your resume and cover letter should c____________ each other.
【单选题】Your cover letter should ______, not duplicate your resume.
A.
compliment
B.
complement
C.
complementary
D.
complimentary
【简答题】比较复制和转录过程的不同点。(3分)
【多选题】下列对复制和转录异同点的比较中正确的是
A.
复制和转录过程的合成方向均为5'→3'
B.
复制的模板是DNA，转录的模板为RNA
C.
两过程均由聚合酶催化不断生成磷酸二酯键
D.
复制需要(合成的)RNA为引物，而转录不需引物
【单选题】If you want your reader could be able to see exactly what you mean, your letter should be
A.
complete
B.
clear
C.
concise
D.
correct
【简答题】试比较复制和转录过程的不同点。
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