问题
多项选择题
对直放站的各项指标进行测试,包括以下哪几项:()
A.基本工作频带
B.带内平坦度
C.增益
D.收发信隔离度
答案
参考答案:A, B, C, D
对直放站的各项指标进行测试,包括以下哪几项:()
A.基本工作频带
B.带内平坦度
C.增益
D.收发信隔离度
参考答案:A, B, C, D
句子搭配。 | |
( ) 1. Where did you go last summer? ( ) 2. Do you have any ping-pong balls? ( ) 3. How often do you eat donuts? ( ) 4. What will you do tomorrow? ( ) 5. How long is the trip? ( ) 6. Your dress is very nice. ( ) 7. Do you have any apples? ( ) 8. Where is the TV? ( ) 9. Is this your coat? ( ) 10. What do you want to do? | a. Usually twice a day. b. I will skip. c. I went to Dalian. d. It's eleven hours. e. Sorry, we don't. f. Across from the bed. g. I want to play cards. h. Yes, lots of apples. i. Thanks. j. No! It's not mine. |