依"毒性药品管理办法"监督管理的是
A．第四类戒毒药B．第二类戒毒药C．麻醉药品D．毒性药品E．放射性药品
参考答案：D
学校买回602本课外书，计划按3：4分给五、六年级。按计划五年级可分到（ ）本，六年级可分（ ）本。
The number of teachers in our school _______ greatly increased last term.
A number of teachers in this school _______ from the countryside.[ ]
A. was; is
B. was; are
C. were; are
D. were; is
