Read and choose. (根据实际情况答问题)

1. 你想说大象有一条长鼻子。你应该说：______    [ ]

A. The elephant has along nose. 

B. The elephant has a long tail.

2. 你想说自已有一双大眼睛.你会这样说：______        [ ]

A. Do I have big eyes?      

B. I have big eyes.

3. 我们在早上七点钟上学.应该说：______        [ ]

A. We go to school at 7:00 A.M. 

B. We go to school at 7：00 P.M.

4. 当你想向别人问路.你会先说：______[ ]

A. Excuse me.              

B. Let's play a game.

5. 露露在椅子下面找到了铅笔.她告诉你：______        [ ]

A. It's on the chair.          

B. It's under the chair.

能正确表示逻辑关系：“a≥10或a≤0”的C++语言表达式是

A．a ＞ =10 or a ＜ =0

B．a ＞ =0 | a ＜ =10

C．a ＞ =10 && a ＜ =0

D．a ＞ =10，‖a ＜ =0