1 . 根据句意，选择单词或短语并以其适当形式填空。

as simple as, the number of, due to, a sheet of, care for, in great danger, take measures, in order to, a large number of, put out

1. Unless we ________ to flatten the curve on global carbon emissions, Antarctica's contribution to a warmer world and sea-level rise could potentially be catastrophic,
2. There are many reasons why people may die ________overwork.
3. The Chinese phone maker said that ________ meet customer needs, the V20 has a selfie（自拍照）camera.
4. Their medical infrastructure can not ________ everyone in need so that non-COVID related illnesses remain untreated.
5. Many stores and hotels in the area had been ________ of business because of the pandemic.
6. when Song went to the hospital for treatment his life was________.
7. China has greatly increased ________ agricultural biotechnology applications.
8. ________ merchants in the US have started to accept payments via Alipay, according to the company.
9. The young man hopes to live ________ his grandpa.
10. Occupying an area slightly larger than ________ A3 paper, Little Seashell has a small stature（身材）.

2 . 用所列短语的适当形式填空

be satisfied with; build up; focus on; keep … from / of; lead to; make comments on; rid … of; thanks to; twice as many as; would rather

1. We have continued to ____________________ our capabilities.
2. It was heart failure that ____________________ her father's death.
3. That is the surest way to ____________________ sickness.
4. __________ the disease, I have the opportunity to improve my character.
5. To achieve this, the teacher demands that each student take the time _________ the text and read it carefully.
6. I can guarantee that you will be ____________________ the result.
7. I can come today but I ____________________ come tomorrow.
8. It's not easy to __________ oneself __________ a bad habit.
9. Before we turn to that issue, I wish to ____________________ your presentation.
10. He bought ____________________ ten books yesterday.