皮皮学，免费搜题
登录
搜题
【单选题】
希波战争于下面哪一年结束：()A.
公元前451年
B.
公元前450年
C.
公元前449年
D.
公元前448年
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】站着不动、长期或经常重复地弯腰、躯干扭曲并倾斜的姿势、经常性重复地单腿支撑的姿势和手臂长时间前伸等姿势极易产生疲劳。其原因主要是__________。
【简答题】完形填空A French student went to London for his holiday. He thought, “I know a little English. I think people can understand me!”One day he went to a restaurant and sat down__1__the table. He wanted to__2...
【单选题】听力原文：M: Do you know if Sarah has reserved the room for the committee meeting yet? W: No. But if she hasn't we should have her try to get it at the auditorium. We'll need the space. Q: What does the wo...
A.
To keep the space.
B.
To give up the room.
C.
To get into the auditorium.
D.
To reserve the room.
【单选题】关于抗体，描述错误的是
A.
抗体都是体外产生的
B.
抗体主要存在于血液、体液、黏膜表面及分泌液中
C.
抗体是能与相应抗原特异性结合的球蛋白
D.
抗体都是免疫球蛋白
E.
抗体是指具有免疫功能的球蛋白
【单选题】听力原文：M: Do you know if the bus station has timetables for buses to Chicago? W: They may not, but I know you can catch a bus to Chicago. What does the man want to know?
A.
If he'll have time to eat in Chicago.
B.
Where the bus station is located.
C.
When buses depart for Chicago.
D.
If he can catch a bus that leaves Chicago.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
