钢丝绳绳头组合的强度至少应是钢丝绳最小破断负荷的()%。
A、80
B、85
C、90
D、95
参考答案:A
句型转换
1. Football is more exciting than volleyball. (改为同义句)
Volleyball isn't __________ exciting __________ football.
2. The Tab Bat is 83 yuan and the Bon Bon is 75 yuan. (同上)
The Tab Bat is __________ __________ than the Bon Bon.
3. We prefer basketball to volleyball.(同上)
We like basketball __________ __________ volleyball.
4. I think the white ones are cheaper than the black ones. (改为一般疑问句)
__________ __________ think the white ones are cheaper than the black ones?
5. They play their CDs loudly. (就画线部分提问)
__________ __________ they play their CDs?
潮式呼吸