以下各项中属于建设工程合同按合同签约的对象内容划分的是（）。
A.总价合同
B.设计合同
C.单价合同
D.成本补偿合同
参考答案：B
桂枝芍药知母汤与乌头汤的共有药物成分是( )
A．麻黄
B．芍药
C．桂枝
D．生姜
E．防风
情景选择。
1. 当你想问别人“今天中午吃什么？”时，可表达为：[ ]
A. What do you have for lunch today?
B. What does you have for lunch today?
C. What do you have dinner today?
2. 当你想说“今天是星期日。”时，可表达为：[ ]
A. It is Thursday.
B. Today is Sunday.
C. Today is Saturday.
3. 当你想说：“我是一名校长。我很和蔼。”时，可表达为：[ ]
A. I am a university student. I am young.
B. I am a teacher. I am kind.
C. I am a principal. I am kind.
4. 当你想说：“我喜欢吃苹果。苹果是甜的。”时，可表达为：[ ]
A. I like apples. The apples are sour.
B. I like apples. The apples are sweet.
C. I like apples. The apples are fresh.
