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1£®(2020·Ð¸߿¼È«¹ú¾í¢ñ)As well as looking at exhibits, visitors can play with computer simulations and imagine themselves living at a different time in history or walking (walk) through a rainforest.

2£®(2020·È«¹ú¾í¢ñ)Chinese researchers hope to use the instruments onboard Chang'e­4 to find (find) and study areas of the South Pole­Aitken basin.

3£®(2020·È«¹ú¾í¢ò)They represent the earth coming (come) back to life and best wishes for new beginnings.

4£®(2020·È«¹ú¾í¢ò)They make great gifts and you see them many times decorated (decorate) with red envelopes and messages of good fortune.

5£®(2020·È«¹ú¾í¢ò)They are easy to care (care) for and make great presents.

6£®(2020·È«¹ú¾í¢ó)The next morning he hired a boat and set out to find (find) the well­known painter.

7£®(2020·È«¹ú¾í¢ó)And when he saw the mists rising from the river and the soft clouds surrounding (surround) the mountain tops, he was reduced to tears.

8£®(2020·Õã½­¾í)Later, they learned to work with the  seasons, planting at the right time and, in dry areas,  making (make) use of annual floods to irrigate (¹à¸È) their fields.

9. (2019·È«¹ú¾í¢ñ)Modern methods of tracking polar bear populations have been employed only since the mid­1980s£¬and are expensive to perform (perform) consistently over a large area.

10£®(2019·È«¹ú¾í¢ò)A 90­year­old has been awarded “Woman Of The Year” for being (be) Britain's oldest full­time employee—still working 40 hours a week.

11£®(2019·È«¹ú¾í¢ò)When we got a call saying (say) she was short­listed, we thought it was a joke.

12£®(2019·È«¹ú¾í¢ò)Picking up her “Lifetime Achievement” award, proud Irene declared she had no plans to retire (retire) from her 36­year­old business.

13£®(2019·È«¹ú¾í¢ó)On our way to the house, it was raining so hard that we couldn't help wondering how long it would take to get(get) there.It was in the middle of Pearl City.

14£®(2019·Õã½­¾í)But some students didn't want to wear  (wear) the uniform.

15£®(2019·Ìì½ò¾í¸Ä±à)Learning (learn) to think critically is an important skill today's children will need for the future.

16. (2019·Ìì½ò¾í¸Ä±à)Most colleges now offer first­year students a course specially designed (design) to help them succeed academically and personally.

17£®(2019·±±¾©¾í)Earth Day, marked  (mark) on 22 April, is an annual event aiming to raise public awareness about environmental protection.

18£®(2019·±±¾©¾í)Nervously facing (face) challenges, I know I will whisper to myself the two simple words “Be yourself”£®

19£®(2018·È«¹ú¾í¢ñ)You don't have to run fast or for long to see (see) the benefit.

20£®(2018·È«¹ú¾í¢ñ)You may drink, smoke, be overweight and still reduce your risk of dying (die) early by running.

21£®(2018·È«¹ú¾í¢ò)The government encourages farmers to grow corn instead of rice  to improve (improve) water quality.

22£®(2018·È«¹ú¾í¢ó)I quickly lower myself, ducking my head to avoid looking (look) directly into his eyes so he doesn't feel challenged.

23£®(2018·È«¹ú¾í¢ó)Once his message was delivered, he allowed me to stay (stay) and watch.