一道数学题,全班40人做对10人做错,这道题的正确率是______%.
4040+10×100%=80%,
答:这道题的正确率是80%;
故答案为:80.
—Real Madrid is sure to win the match !
—It’ s hard to say . You know, anything ________ happen even in the last minute.
A.need
B.must
C.should
D.can
起重机作业,()指挥人员对司机的操作发出指挥信号。
A.只允许一个
B.两个
C.两个以上
D.任何人