汽车制动时,左右车轮制动力分配不均匀容易造成()。
A.侧滑
B.跑偏
C.转向能力丧失
参考答案:B
根据实际情况,用完整形式回答问题。
1. Do you like music?
________________________________________
2. Can your parents speak English?
3. What can you do?
4. Can you play the guitar?
5. Do you want to join a music club?
6. Are you good with your friends?
根据运算定律在________处填上适当的数或字母.
9b+6b=(______+______)•______.
7.2+(a+2.8)=a+(______+______)