问题 单项选择题

关于抗原呈递细胞对于外来抗原的捕获加工处理,叙述错误的是()。

A.树突状细胞(DC.可以通过吞噬、胞饮捕获外来抗原

B.抗原呈递细胞可以通过Fc受体捕获抗原抗体复合物

C.抗原呈递细胞捕获的外来抗原不能通过MHC-Ⅰ类分子进行呈递

D.被捕获抗原在胞内形成吞噬体,然后与溶酶体融合形成吞噬溶酶体

E.内质网合成的MHC-Ⅱ类分子被转运至吞噬溶酶体内,与抗原肽片段结合,在高尔基体参与下,该复合物被转运到细胞膜表面

答案

参考答案:C

改错题

第二卷

第四部分写作 (共两节,满分35分)

第一节短文改错(共10小题;每小题1分, 满分10分)

此题要求改正所给短文中的借误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符(^),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

What a morning! I got early to make sure I packed                  76. ______

everything I needed it for the trip. Since it would be                 77. ______

autumn in the U.S., I have to pack for colder weather.                     78. ______

Most of my suitcase was filled with gift for friends.                      79. ______

I did hope nothing would get lost on the way, especial                80. ______

my camera with which to capture great moments.                     81. ______

Before a quick lunch at the airport, I stepped into the                       82. ______

waiting-room to wait for my flight to call. Seated here, I                83. ______

read a fashion magazine to kill my time. I was dressing             84. ______

in comfortable jeans and a casual blouse, be ready for the          85. ______

long flight, with an overnight stopover in Tokyo.

填空题