1.选择题- (共6题)
1.
小明往氢氧化钠溶液中滴加稀盐酸研究中和反应时，忘了加酸碱指示剂．为了确认盐酸是否过量，取少量反应后的溶液于试管中，用某种试剂进行实验．下表是小明同学设计的实验方案，其中不正确的是（ ）
实验方案 | 使用的试剂 | 判断的方法 |
A | 铁粉 | 如果有气泡产生，表明盐酸已经过量 |
B | pH试纸 | 如果pH＜7，表明盐酸已经 过量 |
C | 硝酸银溶液 | 如果有白色沉淀产生，表明盐酸已经过量 |
D | 紫色石蕊溶液 | 如果溶液变成红色，表明盐酸已经过量 |
5.
向盛有氢氧化钠溶液的烧杯中滴入几滴酚酞试液，试液变为{#blank#}1{#/blank#}色，此时溶液的pH{#blank#}2{#/blank#} ，向此溶液中逐滴加入稀盐酸，并不断振荡，直至溶液刚好无色时，溶液呈{#blank#}3{#/blank#}性，pH{#blank#}4{#/blank#} ；继续滴入稀盐酸，溶液呈{#blank#}5{#/blank#}色，pH{#blank#}6{#/blank#} ，在整个实验过程中，溶液发生了{#blank#}7{#/blank#}反应，化学方程式为{#blank#}8{#/blank#} ．
2.单项选择- (共12题)
7.
.The patient was warned ______oily food after the operation.
| A．to eat not | B．eating not | C．not to eat | D．not eating |
9.
Five people were reported ________ in the accident.
| A．to be killed | B．to kill |
| C．killed | D．to have been killed |
11.
________more about university courses, call (920) 746-3789.
| A．Finding out | B．Find out | C．To find out | D．Having found out |
13.
The murder was brought in, with his hands ___ behind his back。
| A．being tied | B．having tied | C．to be tied | D．tied |
14.
224. The murderer was brought in, with his hands _____ behind his back.
| A．being mopped | B．having tied | C．to be tied | D．tied |
15.
The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
| A．seated | B．seating | C．seat | D．to be seating |
16.
—Where did you see him for the first time?
—It was in the factory _____________ we worked.
—It was in the factory _____________ we worked.
| A．that | B．where |
| C．which | D．when |
17.
The old lady had a son and two daughters，________treated her well，which made her very sad.
| A．no one of whom | B．none of whom |
| C．neither of them | D．none of them |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(12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：3
5星难题：0
6星难题：8
7星难题：0
8星难题：0
9星难题：1