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【单选题】
听力原文：M: Excuse me, I can't find a book called The sound Pattern of English by Noam Chomsky and another called General Linguistics by Ferdinand de Saussure. W: Well, let me see-Oh, the first one you want has been borrowed and you can find the latter on the 23rd bookshelf. M: How long can I keep it? W: Two months. If you can not finish it in the due time, you can come and renew it for one more month. What does the woman do according to the dialog?A.
A bookseller
B.
A writer
C.
A librarian
D.
A teacher
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皮皮学刷刷变学霸
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【简答题】沛公 之 参乘樊哙者也 乃夜驰 之 沛公军
【多选题】根据基因工程的定义,实施基因工程的最终目的是改造生物的遗传特性,具体包括( )。
A.
使现有物种在较短时间内趋于完善
B.
创造出更符合人们需求的新的生物类型
C.
对DNA分子进行切割
D.
对人类疾病进行诊断和治疗