四星级饭店（）客房的面积（不含卫生间）应不小于20m2。
A.70%
B.75%
C.80%
D.85%
参考答案：A
父亲双眼皮（A）为显性，母亲单眼皮（a）为隐性，生下的女儿单眼皮．则父亲和母亲的基因组成分别是（ ）
A．AA、aa
B．Aa、aa
C．AA、AA
D．aa、aa
The lawyer was expected to some proposals after reading all those papers. [ ]
A. come up with
B. put up with
C. look up to
D. keep up with
