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问题 填空题
若实数a、b满足（a+b-2）2+
b-2a+3
=0，则a+b=______．
答案

∵实数a、b满足（a+b-2）2+

b-2a+3
=0，

∴

a+b-2=0
b-2a+3=0
，

解得

a=
5
3
b=
1
3
，

∴a+b=

5
3
+
1
3
=2．

故答案为：2．

填空题

根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。

1. Lily and Rose are good friends and always keep their secrets to _____. (they)

2. We think more public activities will help change his _____ (active) life.  

3. The man kept remembering English words every day until he was in his _____. (forty)

4. How amazing it is! I _____ can't believe what she told me yesterday. (simple)

5. It's said that the police have put up those _____ (thief) drawings on the Internet.
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单项选择题

以下说法中，错误的为（）。

A.与新任教师相比，专家型教师的课时计划简洁灵活，以学生为中心，并具有预见性

B.专家型教师有完善的维持学生注意的方法

C.专家型教师往往较注意课堂的细节

D.专家型教师具有丰富的教学策略
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