具有清肺止咳功效的药物是
A.赤小豆B.石韦C.海金沙D.冬葵子
参考答案:B
-----Mr.Smith, ________ girl wants to see you.
----If that’s _________girl who has fair hair and wears a red dress, I will see her.
A.the; the
B.a; the
C.the; a
D.a;a
After doing market research, all the researchers think it ________ to invest a large sum of
money in the project.[ ]
A. worthless
B. priceless
C. valuable
D. worthwhile