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问题 单项选择题

患儿，出生4天。全身欠温，四肢发凉，臀及小腿等部位皮肤色暗发紫，皮肤僵硬不能捏起，面色晦暗，唇、舌暗红。治疗应首选

A．四逆散

B．理中汤

C．阳和汤

D．八珍汤

E．当归四逆汤

答案

参考答案：E

填空题

根据短文内容和所给中文提示，写出空白处各单词的正确形式,每空限填空一词。

       The 30th Olympic Games will be held in London from July 27 to August 12 this summer. It is the

  1    (第三) time for London to hold the Olympics. People there are excited. They all help to prepare

for it. They plant lots of flowers and   2   (树) to make the city beautiful. More and more people to go

work by bus or by   3   (自行车). The city is now very   4   (干净的) and tidy. London is ready to   5   (欢迎) people from different countries.

       The weather will be   6   (凉爽的) by then. People around the world will   7   (相逢,遇见) in

London. They can not only watch the games but also take a   8   (短的) trip there. They can   9  (参观)

the British Museum and the National Gallery. It is also of great fun to enjoy the London Eye and Tower

Bridge along the Thames, a beautiful   10   (河) in London. How wonderful it will be!
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单项选择题

六倍体普通小麦和黑麦杂交后获得种子，再经过秋水仙素处理，可以获得八倍体小黑麦（染色体数为8N=56条），据此可推断出（）

A.黑麦的一个染色体组含有14条染色体

B.黑麦属于二倍体，不可育

C.秋水仙素的作用是使细胞中染色体着丝点不分裂

D.小黑麦产生的单倍体植株不可育
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