能全部通过七号筛,但混有能通过九号筛不超过95%的粉末()
A.最粗粉
B.粗粉
C.细粉
D.最细粉
E.极细粉
参考答案:E
Since the epidemic appeared last winter, it ______ about a hundred lives. [ ]
A. takes
B. took
C. has taken
D. will take
若爸爸坐在奶奶的对面,则下面哪一个人必须与妹妹相邻
A.小明
B.阿姨
C.爷爷
D.妈妈