Fighting for your dream is like climbing a mountain． Whatever difficulties you meet， don't _____． Just move on．（ ）
A．set offB．come outC．give up
Except for working hard， we should give more attention to proper exercise and enough sleep． ______ ， health always comes first．（ ）
| A． |
For example |
| B． |
After all |
| C． |
So far |
In China， we are using the FAST to find stars ______． Now more and more people want to know about the largest radio telescope（望远镜） in the world．（ ）
| A． |
in person |
B． |
in public |
C． |
in space |
If one of your friends sends you a message to borrow money on the Internet， you'd better phone him ______first to make sure of that．（ ）
| A． |
recently |
B． |
directly |
C． |
finally |
Reading the first ______ of each paragraph before you read the whole text helps you get the main idea quickly．（ ）
| A． |
letter |
B． |
word |
C． |
sentence |
Whoever he is， a common man can be called a ______ hero when he is admired by us for doing something brave or good．（ ）
| A． |
real |
B． |
smart |
C． |
perfect |