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【多选题】
在“认识周长”这一课教学中,下列说法正确的是A.
本课教学重点：理解“周长”概念
B.
难点：封闭图形
C.
是概念学习课，所以应从大量的实物中抽象出“周长”的概念，并举例说明身边平面图形的周长
D.
课堂练习中应设置变式训练，帮助学生掌握概念。
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【简答题】He bought his mother a new sweater with his first month's salary. _______
【简答题】Listen to the conversation again, discuss with your partner, and then complete the following missing information based upon the notes you've taken. Jerry ask Cathy for help because tomorrow is (1)____...
【单选题】原产于热带的花卉植物,一般要求越冬温度不低于 ______ ,亚热带植物不低于 ______ 。
A.
12 ～ 16℃ ， 6 ～ 9℃
B.
16 ～ 18℃ ， 8 ～ 10℃
C.
14 ～ 16℃ ， 6 ～ 9℃
D.
12 ～ 16℃ ， 8 ～ 12℃
【单选题】Henry didn’t ask his mother to buy a car for him; ______ , he bought one for her.
A.
what’s more
B.
on the contrary
C.
to be honest
D.
in a word
【简答题】Jerry asks Cathy for help because tomorrow is (1) _________________ but he still hasn’t (2) __________________________ because Jerry doesn’t know (3) __________________. Jerry also told Cathy that las...
【简答题】Jerry asks Cathy for help because tomorrow is (1) _________________ but he still hasn’t (2) _________anything for his mom because Jerry doesn’t know what to buy. Jerry also told Cathy that last year...
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