下列有关元素性质的递变规律不正确的是（） A．Na、Mg、Al的还原性逐渐减弱

发布时间：2017-07-24 16:07 │ 来源：www.tikuol.com

题型：选择题

问题：

下列有关元素性质的递变规律不正确的是（　　）

A．Na、Mg、Al的还原性逐渐减弱

B．HCl、PH₃、H₂S气态氢化物的稳定性逐渐减弱

C．NaOH、KOH的碱性逐渐增强

D．Na、K、Rb的原子半径依次增大

考点：元素周期表

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完形填空。

    Please give kids a break. The request came after an online survey about   1   activities during breaks.
Some schools only   2   students to play in the corridors (走廊) during the ten-minute breaks, while   3
even make students do homework. About this problem, different people have   4   ideas.
   Seventy percent of parents in the survey said their children   5   to play outside during breaks. Teachers
should know   6   are born to be active,   7   education shouldn't run against the laws of nature. "It   8
that the playground is useless," said one of the parents. Some parents   9  to what the school did. "Games
during breaks will make children too excited to listen to the teacher  10  in class. It's not bad to prepare
them better for the  11  class." Schools had their own reasons to do this. Head teachers were facing lots
of responsibility over school  12 . Some schools stopped activities  13  children were injured during breaks.
    They didn't want to do so,  14  there was no better  15  to solve the problem.

( )1. A. teachers'
( )2. A. make
( )3. A. other
( )4. A. same
( )5. A. were not allowed
( )6. A. teachers
( )7. A. though
( )8. A. fells
( )9. A. agreed
( )10. A. careless
( )11. A. last
( )12. A. rules
( )13. A. before
( )14. A. but
( )15. A. road

B. children's
B. let
B. another
B. special
B. were allowed
B. children
B. because
B. tastes
B. didn't agree
B. careful
B. past
B. safety
B. while
B. and
B. street

C. kid's
C. allow
C. others
C. usual
C. were not asked
C. parents
C. but
C. smells
C. said
C. carefully
C. next
C. games
C. so
C. till
C. help

D. people's
D. have
D. the other
D. different
D. allowed
D. schools
D. so
D. seems
D. talked
D. quickly
D. late
D. sports
D. because
D. as
D. way

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2009年9月荣获第二届全国道德模范提名奖的唐俊，是四川营山中学学生。其母四肢瘫痪，1995年，为偿还债务，其哥哥外出打工，7岁的她独自承担起照料母亲的重担，10余年来，她一边上课一边照顾母亲，以顽强的意志和厚重的孝心承担起家庭的重担，到县城读书后，她还把母亲从乡下背到县城，好照管母亲。唐俊的行为体现了 [ ]

A．孝敬父母的传统美德

B．助人为乐的优秀品质

C．关爱社会的奉献精神

D．赡养母亲的法定义务

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剧烈运动出汗后最好及时补充一些冰镇凉开水。[ ]

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下列不属于脂肪抽吸术晚期期并发症的是（）。

A、疤痕

B、色素沉着

C、持久性感觉改变

D、顽固性外形不对称

E、肺脂肪栓塞综合征

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《骆驼祥子》：小说

A．《茶馆》：小说

B．《寄小读者》：散文

C．《四世同堂》：剧本

D．《家》：诗

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