1.选择题- (共3题)
2.某无色溶液中含有H+、Al3+、Mg2+三种阳离子，逐滴加入0.1moL·L-1 NaOH溶液，消耗NaOH溶液体积（X轴）和生成沉淀（Y轴）之间的函数关系如下图所示，则溶液中H+、Al3+、Mg2+三种阳离子的物质的量浓度之比为（ ）
2.单项选择- (共7题)
4.
— We are too busy to take ________ holiday at ________ present.
— But I think we’ll be able to take ________ two weeks from now.
A. a ; / ; one B. the ; / ; that C. a ; the ; it D a; / ; it
— But I think we’ll be able to take ________ two weeks from now.
A. a ; / ; one B. the ; / ; that C. a ; the ; it D a; / ; it
5.
They ______ a small laboratory and devoted every spare moment to this work.
| A．picked up | B．put up | C．set up | D．grew up |
6.
Polar bears live on sea ice, which they use as a platform for hunting seals.
| A．most | B．almost | C．nearly | D．mostly |
8.
People all over the country felt shocked _______ they heard of the news ______eight children were killed at the school gate .
| A．the moment , that | B．when , which | C．immediately , / | D．the second , what |
9.
“I’m certainly more and more to the conclusion that Iraq has, ___they maintained（断言）, destroyed almost all of _____ they had in the summer of 1991.” Bill said.
| A．which, what | B．as, which | C．as, that | D．as, what |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(7道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：0
7星难题：0
8星难题：7
9星难题：0