所有的质数都是奇数，所有的偶数都是合数．______．（判断对错）_爱下问搜题

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问题解答题

所有的质数都是奇数，所有的偶数都是合数．______．（判断对错）

答案

2是质数但是2不是奇数，9是合数但是9不是偶数，所以质数都是奇数，合数都是偶数的说法是错误的；

故答案为：×．

阅读理解

1. Open time:8:30 a. m. -4:00 p. m. from Monday to Friday

2. No talking.

3. No food.

4. No listening to music.

5. No photos.

6. No taking books out without permission (允许) .

7. Keep the library books for one week.

8. Return books on time.36. We can read books .

9. Renew (续借) books on time.

10. Pay for the lost books.

1. We can read books .

A. at 8:00 a. m. on Monday

B. at 9:00 a. m. on Sunday

C. at 3:15 p. m. on Thursday

D. at 4:30 p. m. on Wednesday

2. We can't according to the rules.

A. borrow books

B. renew books

C, take books out without permission

D. read books

3. We have to if we lose library books.

A. pay for them

B. buy them

C. return them

D．renew them

4. It's not polite（礼貌）to in the library.

A. retum books on time

B．renew books on time

C．borrow books

D．talk loudly

5. We must leave the library____.

A. at 2:00 p.m.

B. before 4:00 p.m.

C. after 4:00 p.m.

D. at 8:30 a.m.

单项选择题

全面预算差异分析的主体应该是（）

A.预算编制人员

B.财务人员

C.董事会

D.预算管理委员会