Choose the best answers. 为画线的词组选择正确的解释,把序号填在括号里。
Come on, children![ ]
A.进来
B.过来
C.来
答案:B
Cook was a strict but good captain , _____ who , usually , took care of the sailors on his trip .
A.the one
B.one
C.that
D.this
如果以标准贯入器作为一种取土器,则其面积比等于下列()数值
A.177.8%
B.146.9%
C.112.3%
D.45.7%