— May I speak to Mr. Smith? I phoned .
— Sorry, he is still in his meeting.
A.early B.earlier C.the earliest
Peter hasn’t got any hobbies you call sleeping a hobby.
A.unless B.when C.because
— It’s not safe to go out and play without a mask(口罩).
— There are enough masks for each club member to have .
A.it B.that C.one
(B)疫情期间，我们以网课的方式学习了两个月的时间。想必同学们对这种授课方式和自主学习有很多切身体会。请你写一篇不少于80词的短文谈谈这次特殊的学习经历以及你的感受。
要求：1. 文中不得出现真实姓名和校名；
2. 字迹工整，语法正确，语言通顺。
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(A)李华的妈妈是一名护士，疫情期间，她一直坚守在第一线看护病人。下面是李华当时写给妈妈的一封信。请把它填写完整。(每空一词)
Dear Mum,
We haven't seen each other for a long time since the outbreak of COVID-19. I miss you very much.
At first, when you got off work, I was quite afraid to think what if you were infected (感染) and I lost you. But you told me, “Your mum is a nurse and a soldier in white! ”
Now, I understand you when more and more patients recover (恢复) and their families get together again. How great you are! I'm very 1. of you, mum!
Of course, there are many other uncles and 2. like you working in the frontline to 3. against COVID-19. They leave life and death behind. They don't care about gains and losses. They are also real heroes in my heart!
Mum, don't worry about Dad and me. I study hard online and Dad cooks delicious food for me every day. We clean the house 4. every week.
Mum, please protect 5. well while looking after the patients. We are waiting for you at home!
Peace to you! Healthy!
Yours
Xiao Hua
If you are in Shanghai and want to throw away a cup of milk tea, be careful! You need to follow these steps: first, pour out any leftover into a wet waste bin; second, put the paper cover into a recyclable waste bin; third, throw the single-use cup into a dry waste bin.
Sound difficult and annoying? You'll have to get used to it. From July 1st, 2019 on, people in Shanghai are required to separate their rubbish according to strict rules.
Why should we separate our rubbish? The answer lies in the increasing amount of waste we are producing. Chinese cities produce over 200 million tons of waste each year, according to China Economic Net. Most of this waste is buried (掩埋) in landfills, which may pollute the water and soil.
Moreover, we are running out of space for new landfills.
In fact, more than half of our waste can be recycled. Recyclable rubbish can be made into new materials. . For example, wet rubbish can be used to make gas, heat and many other kinds of useful things. But in order to recycle rubbish efficiently (高效地) , we need to separate our rubbish.
Can't garbage-processing companies (垃圾处理公司) do the separating job? They can. But that requires a lot of work and costs lots of money. Things will become much easier if each of us can separate our own rubbish. Besides, the annoying task of separating might encourage people to produce less waste. Do you still want to buy that milk tea?
根据短文内容，回答下列问题。
1.When did separating rubbish start in Shanghai?
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2.Do you throw a plastic drink bottle in a recyclable waste bin or a dry waste bin?
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3.How much waste do people produce in Chinese cities each year?
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4.What waste can be used to make gas and heat?
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5.Why can separating rubbish encourage people to produce less waste?
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