问题 单项选择题

目前常选用下列哪种细胞作HLAI类抗体的筛选与鉴定细胞()

A.T细胞 

B.B细胞 

C.NK细胞 

D.K细胞 

E.巨噬细胞 

答案

参考答案:A

完形填空

Once a man and his wife worked for an old man. There was a big      in the old man’s living room. The old man pointed to the box and said, “There’s only one thing you mustn’t do. Don’t open the box.” After saying this, he left his home.

The woman said to her husband, “There must be something      in the box. Let’s open it, shall we?” Her husband said no to her.      the woman didn’t give up her idea. One day, she decided to      out what was in it. Her husband didn’t stop her. She opened the box and looked     . To her surprise, she found nothing in the box. She tried hard to close it, but she     .

That evening the old man came home and found the box was open. He was very angry and asked the woman and her husband to leave his home.

“But there was      in the box,” the woman said. “We haven’t taken anything at all.” The old man shouted at them    , “the box is not important, but I cannot believe you. That’s important!”

小题1:. A. mirror                    B. box                C. suitcase

小题2:. A. expensive            B. dangerous               C. terrible

小题3:. A. So                   B. But                C. And

小题4:. A. carry                B. put                 C. find

小题5:. A. inside                 B. outside                C. through

小题6:. A. agreed              B. accepted             C. failed

小题7:. A. something               B. nothing           C. somebody

小题8:. A. angrily                 B. happily                 C. freely

单项选择题