六味地黄丸组分的粉碎不宜采取的粉碎方法是
A．单独粉碎法
B．串料法
C．串油法
D．干法粉碎
E．湿法粉碎
参考答案：A,C,D,E
上颌第二、三磨牙的牙体长轴颊向倾斜与平面在颊侧所构成的角（）。
A.等于80°
B.大于80°
C.小于90°
D.等于90°
E.大于90°
请用下面括号内所给的词或短语的适当形式完成下列句子。
1. Xi'an No.2 Subway ______(complete) in 2010.
2. I found a wallet this morning, and I'm trying to find its ______(own).
3. Tom will come back on the ______(twenty) of next month.
4. There are two ______(shelf) in my room where I put my books.
5. Who ______ this toy car ______(belong to)? I really want to know.
