佛陀入涅盘前所度的最后一位弟子是（）A、须跋陀罗 B、阿难 C、舍利弗

What does the woman ask the man to do
[A] She asks him to stand up.
[B] She asks him to sit down.
[C] She asks him to wait.

阅读理解。

     Tom and David were in the same class. They lived a little far from their school. David had a bike, but Tom

didn't. He had to get up early in the morning. After breakfast he went to the bus stop quickly to wait for the bus.Tom asked his father to buy him a bike, his father said "Well, I can buy a bike for you next term."

      Tom was happy, but he must learn to ride. He helped his mother with the washing and cleaning on Saturday. After lunch,he went to David's home. Mrs. White opened the door, "Can David come out and play with me?"

asked the boy, "Sorry, but he is sleeping now." answered his mother, "Then can his bike come out to play.

"Tom asked hopefully.

1. David and Tom _______.

A. classmates.

B. pen friends

C. teachers

D. in different classes

2. The school is _____ home

A. far away from Tom's

B. is near Tom's

C. across from David's

D. next to David's

3. David went to school____.

A. on foot

B. By bus

C. By car

D. by bike

4. Tom helped his mother ____on Saturday.

A. do homework

B. do some housework

C. read books

D. buy food in the market

5. Tom wanted to borrow(借) David's_____

A. books

B. bike

C. pens

D. English dictionary

2011年7月11日23时41分，我国在西昌卫星发射中心用长征三号丙运载火箭，成功将“天链一号02星”送入太空。“天链一号02星”是我国第二颗地球同步轨道数据中继卫星，它将与2008年发射的“天链一号01星”组网运行，为我国神舟飞船以及未来空间实验室、空间站建设提供数据中继和测控服务，并将应用于我国将于2011年下半年实施的首次空间交会对接任务。若用m表示“天链一号02星”的质量，h 表示它离地面的高度，R₀表示地球的半径，g_o表示地球表面处的重力加速度，T表示地球自转周期，万有引力常量为G。求：

（1）“天链一号02星”受到地球对它的万有引力的大小（用含有m、g_o、R₀、h的字母表示）；

（2）地球赤道表面的物体随地球自转的线速度与“天链一号02星”环绕速度的比值；

（3）利用上述数据计算出地球的质量M（用含有G、T、R₀、h的字母表示）？

临床上一般不用作浸润麻醉的药物是（）

A.普鲁卡因

B.利多卡因

C.布比卡因

D.丁卡因

E.阿替卡因

下列有关细胞呼吸原理应用的分析，错误的是（）

A.种在湖边的玉米长期被水淹，生长不好，原因是有氧呼吸受阻

B.陆生植物不能长期忍受无氧呼吸，其原因是产生的乳酸在细胞中积累

C.人体成熟红细胞只能进行无氧呼吸分解葡萄糖，产生乳酸

D.人体剧烈运动后会感到肌肉酸痛，因为肌细胞无氧呼吸产生的乳酸在细胞中积累