若a+b<0,ab<0,则下列判断正确的是[ ]
A.a,b都是正数
B.a,b都是负数
C.a,b异号且负数的绝对值大
D.a,b异号且正数的绝对值大
答案:C
You have done a good job in the competition. But you’d better ____your body language next time.
A.to pay little attention to
B.pay many attentions to
C.to pay few attention to
D.pay more attention to
在船体装配过程中的()是一项必不可少的工序,它与装配的()有着密切的关系。