26.The girls a game called Bomb happily when the teacher suddenly entered the classroom.
A.played B.were playing C.are playing D.had played
25.-What do you think about dress in the shop window?
-Oh, it’s beautiful. You may give it to Linda as birthday present.
A.a; a B.the ;a C.a ;the D.the ;the
24.If transport costs into consideration at the beginning , the factory would have been built far from its present place.
A.will be taken B.were taken C.had been taken D.were being taken
23.Both of the sofas they ordered online arrived, but fit through the doorway.
A.none B.nor C.neither D.either
22.Ballet is amazing; you go ,you are likely to find yourself going again and again.
A.as B.once C.unless D.while
第一节 单项填空(共15小题;每小题1分,共15分)
从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
例:It’s so nice to hear from her again. , we last met more than thirty years ago.
A.What’s more B.That’s to say C.In other words D.Believe it or not
答案是D。
21.Steven’s exam results put him the top ten students in his grade.
A.among B.between C.in D.at
31.(每空2分,20分)人的生长激素(hGH)缺乏的原因之一是患者缺失hGH基因片段,简称hGH基因缺失,患者表现为身材较正常人矮小。为进一步研究该病的遗传方式,指导优生,科研人员对首次发现的两列患者家系做了调查,调查的部分结果见下图。请回答下列问题:
(1)hGH基因位于 染色体上,III-4杂合子的概率是 。
(2)右对此家族中某一未出生的孩子进行产前诊断,快速检测其是否患有该遗传病,应以 基因为标准(作为分子探针),通过 方法进行检测。
(3)生长激素是由垂体分泌的。下图是人体内某些生命活动调节过程示意图。
垂体除分泌生长激素外,还通过分泌[b] 来调节甲状腺的活动,由其释放的[d] ,作用于肾脏,使尿量减少来调节人体内的 。
(4)由图可知,内分泌调节的枢纽是 ,④、⑤过程表示激素分泌的 调节。
(5)如果用含有激素c的饲料饲喂小白鼠,再将其放到密闭的容器中饲养,此小鼠对缺氧的耐受力将 。
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