城乡集市贸易市场不可以出售
A．速效感冒灵
B．当归
C．丹参
D．酸枣仁
E．田七
参考答案：A
在一个二氧化硫分子和一个二氧化氮分子中，都有
A．一个氧分子
B．氧元素
C．两个氧元素
D．两个氧原子
用动词的适当形式填空
1. What would you like _______ (drink)?
2. She enjoys ________ (sing) very much.
3. One of the boys ________ (go) to school by bus.
4. Where ________(do) your sister work?
5. Thank you for ________ (help) me with my English.
f the boys ________ (go) to school by bus.