假设你是张华,你的悉尼好友Bella最近正因新冠疫情而停课在家隔离。听说无锡在疫情期间开展了停课不停学(Suspended Class, Ongoing Learning)的网络教学模式,她发来邮件询问相关情况。请根据她的邮件进行回复,邮件如下:

Dear Zhang Hua,

How are you doing these days? Recently I have read a lot about the epidemic (疫情) in China on the Internet. Now it seems so serious in Sydney that all students here are asked to stay at home, just as you were months ago. I’m worried about my studies. Is it a good idea to take online courses? What are advantages and disadvantages of online courses? Could you tell me your experience about online courses during your stay-at-home period and offer some advice on how to carry out studies at home?

I hope to hear from you soon. Take care!

Yours,

Bella

注意事项:

1. 回复的邮件要求符合情景、语句通顺,意思连贯,可适当增加细节;

2. 词数在90个左右,邮件的首尾已在答题卷上给出,不计入总词数;

3. 邮件不得提及真实的人名、校名等相关信息;

4. 邮件内容必须写在答卷纸的指定位置上。

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The Huawei Mate Xs seems like the first truly model of foldable(可折叠的)phones. It's a huge-screened smart phone that fold with the screen on the outside. Unlike the competition, this is a killer phone.

This phone catches a lot of attention-unfold it and people will be amazed. ____ We've been stopped in the street, interrupted on a train and watched by a waiter while using it.

With a battery in each half, the Mate Xs has 4500mAh of power and charges very quickly-over 80% in 30 minutes. Open the Mate Xs out and you can multitask (多任务) across three different apps on the screen at once. With the help of a sidebar, you can drag one to the right and one to the left.

First, the screen. It's plastic, as on most foldable phones, so more fragile(易碎的)than glass ones. Next, the software. As it was not allowed to use Google, many apps you use in your daily life may just don't work properly on the Mate Xs. There's a lot to weigh up here, especially that price-£2299, but there's no doubt the tech in this thing is great and surprising.

1.Which is TRUE about Mate Xs according to the passage?

A.Mate Xs has only a battery of 4500 mAh of power.

B.All the apps we like can work very well on the Mate Xs.

C.The huge screen on the Mate Xs is made of glass and hard to break.

D.Mate Xs allows us to watch videos and send messages at the same time.

E.

2.The sentence "But three things put the Mate Xs in question." should be put in________.

A.① B.② C.③ D.④

3.What does the author think of the Mate Xs?

A.It is well worth buying.

B.It is surprising but too expensive.

C.It runs out of power quickly.

D.It is just a phone with a huge screen.

Seeing someone who seems to be walking on a cloud sounds like a dream. But this scene indeed exists --- and it isn't just in your head. It's a popular attraction in the South American country of Bolivia called the Salar de Uyuni. The area covers a large amount of white, glistening salt and runs across 10,582 kilometers of the Altiplano and you can even see it from space.

What's special about the Salar? This salt flat can create an endless natural mirror (镜子), which gives you an amazing experience. On a still day, a thin layer of water covering the salt changes the salt flat into "The World's Largest Mirror" reflecting the sky. Those who are lucky enough to see this natural wonder will tell you how difficult it is to find out the dividing line between the sky and land.

Some 40,000 years ago, water from the surrounding mountains gathered here and there were no outlets (出口) where the rainfall could flow out. So a huge lake was formed with natural salt inside. Over time, about 25,000 years ago, a rise in temperatures reduced the amount of rainfall in the area. The climate from wet to dry caused the water to slowly evaporate (蒸发). About 10,000 years ago, the body of water dried up and a deep layer of salt flat was left behind.

With about 10 billion tons of salt lying around it, it's no surprise that salt production in the Salar is a big business. But the real treasure lies under the surface of the salt flat, where around 70% of the world's lithium (锂) reserves can be found. The lithium is used for powering mobile phones, laptops, electric cars and this resource could be of great value.

What is the Salar de Uyuni

●It's a place of 1. in the South American country of Bolivia.

●It is an area 2. with white and glistening salt.

●It runs across about 10,582 kilometers and can even be 3. from space.

What's special about the Salar de Uyuni?

●On a still day, the salt flat will 4. into "The World's Largest Mirror", which gives you a wonderful experience.

●If you are lucky enough to see it, you may find it difficult to tell 5. The sky ends and the land begins.

How did the Salar de Uyuni 6. ?

●40,000 years ago, the surrounding mountains 7. the water from flowing out and it became a huge lake.

●25,000 years ago, the climate changes 8. to the evaporation of the lake.

●10,000 years ago, the lake dried up, 9. behind a deep layer of salt.

What's under the Salar de Uyuni?

●70% of the world's lithium lies under the salt flat.

●Lithium can be used to power things 10. mobile phones, laptops and electric cars.

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