中毒解救中阿托品为主要解毒药的是
A．三环类抗抑郁药
B．有机磷类
C．氨基甲酸酯类
D．香豆素类
E．沙蚕毒素类
参考答案：B,C,E
将标号为1、2、3、4、5、6的6张卡片放入3个不同的信封中，若每个信封放2张，其中标号为3，6的卡片放入同一信封，则不同的方法共有（ ）种
A．54
B．18
C．12
D．36
用所给词的适当形式填空。
1. Thanks for _____ (take) care of my dog.
2. Don't forget _____ (turn) off the lights when you leave the classroom.
3. Could you please_____ (feed) my goldfish?
4. My mother_____ (borrow) some money last Sunday.
5. I can't _____ (be) outside late. I have to be back home before 9:00 pm.
