我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过（）
A.1%
B.1.5%
C.2%
D.2.5%
参考答案：B
请根据对话情景补全所缺单词或句子，使对话完整通顺。
A:Hello! Can I 1 you?
B:Yes,please.I want to order(定购) a 2 for my father's brithday.
A:Your father's brithday?How 3 is your father?
B:Sixty-five.
A:What kind of cakes do you 4 ?
B:I want a big 5 .
A: 6 is you father's birthday?
B:It's September 14th.
A:OK.What's your 7 .
B:Jone Smith.
A:And what's your 8 9 ?
B:It's 235-7809.
A:OK.Please take it at four in the afternoon.
B: 10 you.
A:You're welcome.
1.________2. __________ 3. _______4. ________ 5. ___________
6.________ 7. ___________ 8. ______9. ________10. __________
课堂教学效率的高低取决于()三大要素的相互协调。
A．教师、学生、课堂情境
B．班风、纪律、学生
C．教师、教学设备、学生
D．教师、学生、纪律
