载重线圆圈的中心应位于()
A.船中以前四分之一船长处
B.船中以后四分之一船长处
C.船中前后
D.船中处
参考答案:D
—What beautiful shoes you're wearing! They must be ex.pensive.
—No. they only ______ 10 yuan.[ ]
A. spent
B. took
C. paid
D. cost
英译汉:“health certificate”,正确的翻译为( )。
A.健康证书
B.品质证书
C.植物检疫证书
D.熏蒸/消毒证书