在我国，属于社会保障性质的社会救济的历史可以追溯到（） A.夏_爱下问搜题

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问题单项选择题

在我国，属于社会保障性质的社会救济的历史可以追溯到（）

A.夏朝

B.唐朝

C.周朝

D.汉朝

答案

参考答案：C

完形填空

完形填空。

I ① a good friend in my ② . It is a bird. ③ name is Polly. ④ three years old. It is yellow and
very ⑤ . I play ⑥ it ⑦ school. My classmates—Ann and Kate often ⑧ and see it. Polly can ⑨ every day. I ⑩ it to sing "A B C". Now it can sing "A B C". I like it very much.

（     ）①A. have
（     ）②A. home
（     ）③A. It's
（     ）④A. Its
（     ）⑤A. beautifully
（     ）⑥A. and
（     ）⑦A. before
（     ）⑧A. come
（     ）⑨A. sang
（     ）⑩A. teaches

B. had
B. basket
B. Its
B. She's
B. beautiful
B. to
B. after
B. go
B. is singing
B. teachers

C. has
C. box
C. His
C. He's
C. tall
C. with
C. behind
C. came
C. to sing
C. taught

D. am
D. schoolbag
D. Her
D. It's
D. short
D. for
D. in front of
D. comes
D. sing
D. teach

选择题

计算-1²的结果是[ ]

A.-1

B.1

C.-2

D.2