室内涂饰工程同类涂料涂饰墙面每（）间应划分为一个检验批。
A、30
B、50
C、40
D、60
参考答案：B
—Are you thirsty? Why not have something to drink?
—Good idea. _____, please. [ ]
A. A glass of tea
B. Some dumplings
C. A bowl of rice
D. A piece of bread
天然雌性激素为
A．可的松
B．睾酮
C．黄体酮
D．雌二醇
E．炔雌醇
