1.选择题- (共10题)
1.
化学实验是学习化学的基础，请根据下列实验装置图回答问题：
（1）甲实验：把二氧化碳气体慢慢倒入放着燃着的蜡烛的烧杯中，下层蜡烛先灭，说明二氧化碳具有{#blank#}1{#/blank#} 、不燃烧和不支持燃烧的性质，因此二氧化碳在生活中可用于{#blank#}2{#/blank#} （填写用途）．
（2）丙实验：A烧杯中溶液由无色变成{#blank#}3{#/blank#} 色，说明{#blank#}4{#/blank#} （分子性质）．
2.
化学实验是学习化学的基础，请根据下列实验装置图回答问题：
（1）甲实验：把二氧化碳气体慢慢倒入放着燃着的蜡烛的烧杯中，下层蜡烛先灭，说明二氧化碳具有{#blank#}1{#/blank#} 、不燃烧和不支持燃烧的性质，因此二氧化碳在生活中可用于{#blank#}2{#/blank#} （填写用途）．
（2）丙实验：A烧杯中溶液由无色变成{#blank#}3{#/blank#} 色，说明{#blank#}4{#/blank#} （分子性质）．
4.
2011年11月至12月世界气候大会在南非德班市召开，决定实施《京都议定书》第二承诺期并启动绿色气候基金，低碳再次成为国际社会的热门话题．下列做法不符合“低碳生活”这一主题的是（ ）
2.单项选择- (共11题)
11.
---What do you think we should do after dinner?
---Why don't we get ____ beer at the Karaoke bar down the street? It is kind of ____ fun to drink with old friends．
---Why don't we get ____ beer at the Karaoke bar down the street? It is kind of ____ fun to drink with old friends．
| A．a; 不填 | B．a; a | C．the; a | D．a; the |
12.
Thank you so much! But for your text message, I ____ home without my ID card this morning.
| A．would have left | B．would leave | C．had left | D．left |
13.
Regulations _____ that students attend at least 90% of the lectures.
| A．demand | B．ask | C．require | D．request |
14.
Though _______ money, his parents managed to send him abroad.
| A．lacked | B．lacking of | C．lacking | D．lacked in |
15.
A new study has found no evidence that the sunscreen, commonly used to reduce the risk of skin cancer, actually____ the risk.
| A．increase | B．increasing | C．increases | D．having increased |
16.
The output of the gold mine is now four times _____ it was before liberation.
| A．that | B．what | C．which | D．than |
17.
--- I’m going to have lunch. Do you mind talking about your plan _____ lunch?
---All right.
---All right.
| A．during | B．before | C．over | D．until |
18.
_______ we start thinking and believing we can do it, anything is possible.
| A．Since | B．While | C．Until | D．Once |
19.
Laws have been passed in parts of South Africa, _____ governments either tax shoppers who use plastic bags or fine companies that hand them out.
| A．which | B．where | C．as | D．what |
20.
Nowhere else in such a small town, I think _____ a book as good as this one.
| A．you get | B．you can get | C．can you get | D．you will get |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(11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：4
7星难题：0
8星难题：4
9星难题：0