
巴中今年高三毕业的学生还可以复读吗相关问题汇总
1、今年对复读生有特殊的政策吗?
2、高考政策这届高二不能复读吗?
3、今年高三能不能复读?
4、高三学生可复读吗?
5、高考落榜能复读吗?
巴中今年高三毕业的学生还可以复读吗入学检测化学选择题摘录
1、下列图示的四种实验操作名称从左到右依次是
( )
A.过滤、蒸发、蒸馏、分液 B.过滤、蒸馏、蒸发、分液
C.蒸发、蒸馏、过滤、分液 D.分液、蒸馏、蒸发、过滤
【知识点】物质的分离 提纯和检验
【答案】
A
2、下列反应的离子方程式书写正确的是
A.氯化铜溶液与铁粉反应:Cu2++Fe=Fe2++Cu
B.稀 H2SO4与铁粉反应:2Fe+6H+=2Fe3++3H2↑
C.氢氧化钡溶液与稀 H2SO4 反应:Ba2++SO42-=BaSO4↓
D.碳酸钙与盐酸反应:CO32-+2H+=H2O+CO2↑
【知识点】离子反应
【答案】
A
3、现有四种元素的基态原子的电子排布式如下:
①1s22s22p63s23p4 ②1s22s22p63s23p3
③1s22s22p3④1s22s22p5
则下列有关比较中正确的是( )
A.第一电离能:④>③>②>①
B.原子半径:④>③>②>①
C.电负性:④>③>②>①
D.最高正化合价:④>③=②>①
【知识点】物质结构 元素周期律单元测试
【答案】
A
巴中今年高三毕业的学生还可以复读吗入学检测英语选择题摘录
1、 Botanists are not sure where the first plant was grown or even ________.
A.what plant was B.it was what plant
C.what plant was it D.what plant it was
【知识点】语法 【答案】
D
2、 ----Mr. Li told me once he had a fall and broke his leg .
----_______was that.
A Since when B For how long C How long ago D How soon
【知识点】疑问句 反义疑问句 【答案】
C
3、 Saying that he was not able to paint well, he _______ to refuse his job. Which of the following is WRONG?
A. did all what he could B. tried his best
C. did everything he could D. did what he could
【知识点】状语从句 【答案】
A4、 One in five humans ___ access to safe drinking water by 2080.
A.is said lacking B.is said to lack
C.are said to lack D.are said lacking
【知识点】主谓一致 【答案】
B
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