问题
单项选择题
减压阀的一般图形符号（GB786.1-93）是（）。
A、A
B、B
C、C
D、D
答案
参考答案：D
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减压阀的一般图形符号（GB786.1-93）是（）。
A、A
B、B
C、C
D、D
参考答案：D
| 完形填空。 | |||
| Do you think everyone 1_their weekends? Old Henry does 2_. Last month, he went 3_ a walk with Wang Wang, his cute dog. It was a nice day and Old Henry was happy. He 4 on a bench and watched Wang Wang 5 _a friendly black cat. Years before, when Wang Wang was young, his wife was also there. They always walked 6_ the weekend… Then it was time to go home. Old Henry 7_for his dog."Wang Wang!" But Wang Wang wasn’t there… | |||
| ( )1. A. enjoy ( )2. A. not ( )3. A. to ( )4. A. sit ( )5. A. play ( )6. A. over ( )7. A. looking ( )8. A. sad ( )9. A. not ( )10.A. didn’t | B. enjoyed B. no B. for B. sits B. playing B. on B. looks B. happy B. any B. don’t | C. enjoys C. any C. on C. sitting C. to play C. at C. to look C. luck C. no C. doesn’t | D. enjoying D. so D. in D. sat D. played D. to D. looked D. lucky D. some D. isn’t |