1.推断题- (共1题)
（1）请写出Z和B的化学式:Z B ；
（2）写出A与X反应的化学方程式： 。
2.简答题- (共1题)
| 加入稀盐酸的质量/g | 50 | 50 | 50 | 50 |
| 生成气体的质量/g | 11 | 11 | X | 2.2 |
（1）X的值是 ；
（2）该水垢中CaCO3的质量分数是多少？
3.单选题- (共3题)
| A．用Na2CO3和稀盐酸反应制取CO2 | B．用CaCO3和稀H2SO4反应制取CO2 |
| C．用HgO加热分解制取O2 | D．用H2O2和MnO2制取O2 |
4.选择题- (共8题)
我常常在晚上做作业，但是昨天晚上我去看电影了。
I often {#blank#}1{#/blank#} in the evening. But last night I {#blank#}2{#/blank#}.
情景交际，选择合适的句子并把序号填写在横线上。
A. I did my homework. B. Did you do anything else? C. What did you do? D. Did you enjoy the film? E. It was great. |
—How was your last Sunday,Sam?
— {#blank#}1{#/blank#} I really had a good time.
— {#blank#}2{#/blank#}
—I played ping-pong with my father. How about you?
— {#blank#}3{#/blank#}
—Oh. You're really hard-working! {#blank#}4{#/blank#}
—Yes, of course. I saw a film with my cousin on Sunday night.
—Really? {#blank#}5{#/blank#}
—Yes. It's about dinosaurs.It's very interesting.
为下列问句选择合适的应答语。
A: It was bad. B: I stayed at home all day. C: Yes, it was. D: No, we didn’t. E: He visited his uncle. |
①Was the magazine interesting? {#blank#}1{#/blank#}
②What did Mark do yesterday? {#blank#}2{#/blank#}
③How was your stay at the Holiday Hotel? {#blank#}3{#/blank#}
④Where did you go yesterday? {#blank#}4{#/blank#}
⑤Did you play basketball last weekend? {#blank#}5{#/blank#}
为下列问句选择合适的应答语。
A: It was bad. B: I stayed at home all day. C: Yes, it was. D: No, we didn’t. E: He visited his uncle. |
①Was the magazine interesting? {#blank#}1{#/blank#}
②What did Mark do yesterday? {#blank#}2{#/blank#}
③How was your stay at the Holiday Hotel? {#blank#}3{#/blank#}
④Where did you go yesterday? {#blank#}4{#/blank#}
⑤Did you play basketball last weekend? {#blank#}5{#/blank#}
为下列问句选择合适的应答语。
A: It was bad. B: I stayed at home all day. C: Yes, it was. D: No, we didn’t. E: He visited his uncle. |
①Was the magazine interesting? {#blank#}1{#/blank#}
②What did Mark do yesterday? {#blank#}2{#/blank#}
③How was your stay at the Holiday Hotel? {#blank#}3{#/blank#}
④Where did you go yesterday? {#blank#}4{#/blank#}
⑤Did you play basketball last weekend? {#blank#}5{#/blank#}
为下列问句选择合适的应答语。
A: It was bad. B: I stayed at home all day. C: Yes, it was. D: No, we didn’t. E: He visited his uncle. |
①Was the magazine interesting? {#blank#}1{#/blank#}
②What did Mark do yesterday? {#blank#}2{#/blank#}
③How was your stay at the Holiday Hotel? {#blank#}3{#/blank#}
④Where did you go yesterday? {#blank#}4{#/blank#}
⑤Did you play basketball last weekend? {#blank#}5{#/blank#}
5.填空题- (共4题)
（1）蛋白质是构成生命的基础物质，是日常膳食的重要组成部分。
①苹果 ②葡萄干 ③牛奶 ④米饭
在以上食物中，含有丰富蛋白质的是 （填写序号）。
（2）人体摄入的淀粉在酶的催化作用下与水作用最终变成葡萄糖，葡萄糖在酶的催化作用下经缓慢氧化转变成水和二氧化碳，同时放出 ，供机体活动和维持恒定体温的需要。
（1）沼气（主要成分为CH4）燃烧的化学方程式为 ；
（2）双重作用的的意义是 。
（1）除去二氧化碳和水蒸气：下图A装置发生反应的化学方程式是 ，B装置浓硫酸的作用是 。
（2）除去氧气：他们分别收集一瓶气体用右图装置C进行除去氧气的燃烧实验，其中甲同学选择用红磷，乙同学选择用木炭。你认为：选用 （填“红磷”或“木炭”）的方法不科学，原因是 。
6.实验题- (共1题)
-
【1】题量占比
推断题:(1道)
简答题:(1道)
单选题:(3道)
选择题:(8道)
填空题:(4道)
实验题:(1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：1
5星难题：0
6星难题：6
7星难题：0
8星难题：2
9星难题：0