7.Some people choose jobs for other reasons _______ money these days.
A.for B.except C.besides D.with
6.They couldn’t stand ___________ like that.
A.to treated B .to treat C.treating D.being treated
5.-----When __________ and visit our factory next month?
-----When __________ , I’ll let you know.
A.will he come; he will come B.will he come; he comes
C.does he come; he will come D.does he come; he comes
4.Don’t get off until the bus __________.
A.stopped B.will stop
C.will have stopped D.stops
3.-----What did the teacher say just now?
-----Sorry.I didn’t catch it.I ___________ something else.
A.think about B.will think about
C.was thinking about D.thought about
2.The young lady rushed into the room _______ she heard the noise.
A.the moment B.the moment when
C.immediately when D.at the moment
1.It took us quite a long time to get there.It was _________ journey.
A.three-hour B.a three hour
C.a three-hour D.three hours
40.根据下面图解,回答问题:
(1)该图所示为 肽化合物。
(2)填写虚线框内结构的名称
A. B.
C. 。
(3)生成此化合物的反应叫 。
(4)由X个氨基酸缩合成Y条肽链,这一过程中,脱去的水分子数和形成的肽键数目分别是 、 。
39.细胞中常见的元素有 种,其中有些含量较多,如 。最基本的元素是 ,基本元素有 ,主要元素有 。
38.生物科学的研究已经进入 水平,对生物大分子(如 、 )的研究已经相当深入,这些大分子 (填“有”或“没有”)生命。
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