24. Shanghai Expo has been building an Expo Village for the participants, but other choices will also be ____ if the Expo Village does not satisfy their needs.
A.accessible B.available C.affordable D.approvable
23. I wanted to have him ____the job, but he had it _______instead.
A. does, be done B do; done C. to do; doing D. to do; done
22. In order to ________the safety of the people in the stricken areas, the Chinese government reopened a series of investigations and meanwhile asked WTO for assistance.
A. promise B. strengthen C. concern D. ensure
第一节:单项填空(共15个小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21. The cakes are delicious. He’d like to have ________ third one because ________ second one is rather too small.
A. a; a B. the; the C. a; the D. the; a
8、(6分)(1)显微注射法 (2)(乳腺蛋白基因的)启动子
(3)浆(或效应B或经过免疫的B) 既能无限增殖又能产生特定抗体
(4)全能性大 植物组织培养
7、(6分)
(1)动物细胞培养
(2)特异性强,灵敏度高,并可能大量制备(答一点即得分)
(3)(大量)增殖 分泌专一抗体 克隆化培养 抗体检测
6、(8分)
(1)抗原
(2)衰老甚至死亡 不死性(癌) 降低 减少
(3)中
(4)冷冻(或超低温、液氮) 酶
5、(5分)
(1)反转录酶(或逆转录酶) 降解RNA
(2)稳定
(3)DNA聚合酶 催化⑤过程的酶耐高温
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com