1.单选题- (共2题)

A.在实验室进行②的操作需用到坩埚、坩埚钳、玻璃棒、酒精灯 |
B.步骤⑥电解MgCl2时,阴极产生H2 |
C.步骤⑤应将晶体置于HCl气体氛围中脱水 |
D.上述工艺流程中的反应未涉及氧化还原反应 |
2.选择题- (共1题)
根据短文内容,完成内容摘要表格。每空不多于3个词。
There are many things that you should be careful with when you are alone at home. Read the following solutions to protect yourself.
Keep the door locked when you are alone at home. Many people think it's the best way to protect themselves.
Keep a list of phone numbers to call for help—such as 110, the police station or a neighbor's number.
Be careful with the electrical appliances (电器). If you don't know how to use them, ask your parents. Make a safety check before going to sleep.
Look through the keyhole when you hear the doorbell. If there are strangers, ask "Who's that?" with the door locked and say "Come back later." Don't tell them that your parents are away. Say "Mum's having a shower." or "Dad's having a sleep."
Protect Yourself When Home Alone | |
Situations | Solutions |
You are alone at home | Keep the door {#blank#}1{#/blank#}. |
To {#blank#}2{#/blank#} | Keep a list of phone numbers. |
Before {#blank#}3{#/blank#} | Make a safety check of the electrical appliances. |
Talk to the strangers | Ask "{#blank#}4{#/blank#}?" |
Don't say your parents | {#blank#}5{#/blank#}. |
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【1】题量占比
单选题:(2道)
选择题:(1道)
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【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:2
7星难题:0
8星难题:0
9星难题:0