关于蛋白质的有关说法错误的是（ ） A．蛋白质是构成人体细胞的基础物质 B．蛋白

看图根据提示完成句子。

1. Xiao Ming is a good _______ player.

    And she can _______ well.

2. —Can Wang Nan play _______?

    —Sure. She is very good at _______ .

3. In China, Hao Haidong does well in _______. He can play _______ very well.

4. Li Lida can _______ very well. He is a good _______.

5. We are the _______ (音乐家)of our school _______(乐队). Look! Victor can play the

_______.

Jennifer can play the _______.

Bill can play the _______ .

Zhang Yi can’t play the _______ . But he can play the _______ very well.

睡时汗出，醒时汗止，称为

A．盗汗

B．绝汗

C．自汗

D．大汗

E．战汗

There are many hills in the country. A train usually goes ______ tunnels.[ ]

A. across

B. through

C. along

D. up

何谓血吸虫的免疫逃避？为什么感染血吸虫后宿主体内能够出现此种特殊的免疫学现象？

虚拟存储技术是（1），虚拟内存的容量只受计算机地址位数的限制，若某处理器有32位地址，则它的虚拟内存空间最大为（2）。空白（1）处应选择（）

A.补充内存物理空间的技术

B.补充相对地址空间的技术

C.扩充外存空间的技术

D.扩充输入输出缓冲区的技术