【推荐1】阅读下列材料，在空白处填入适当的内容(一个单词)或括号内单词的正确形式。

Researchers in China have explained why basking (沐浴)in the sun can make people smart. It is known to everybody that the sun is very important and nothing in the world can survive     1    it. Science has already proved that sunny days can help     2    (strong) a person’s mood, intelligence and memory.

A team at the University of Science and Technology of China in Hefei, Anhui province discovers that UV light, an element of sunshine, makes a change in the brain that can make     3    (we) smarter.

Tests on mice show that moods and learning can be improved due to enough exposure to UV light, according to Xiong Wei,     4    professor at the university 's School of Life Sciences who led the study. He says that mice     5    (expose) to UV light, which is equal to 20 to 30 minutes of midday sun in Florida in summer. Exposure to UV light     6    (increase) the level of a substance in blood, which reacts with brain cells     7    (promote) functions such as learning and memory. Xiong says previous research has     8    (actual) found that this substance will change in our body and do good to our     9    (fit), but this is the first time that it has been showed that the process can happen in the brain, which is a finding     10    surprises the team.

【推荐2】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

As a man was passing some elephants，he suddenly stopped,     1    （confuse）by the fact that these huge     2    （creature）were being held by only a small rope tied to their front leg. No chains, no cages. It was obvious that     3     elephants could, at any time, break away from their bonds but for some reason, they did not. He saw a trainer nearby and asked     4     these animals just stood there and     5    （make）no attempt to get away. “Well,” the trainer said, “when they are very young and much     6    （small）we use the same size rope to tie them and, at that age, it’s enough to hold them. As they grow up, they remain programmed     7    （believe）they cannot break away. They believe the rope can still hold them, so they never try to break free.”

The man was amazed. These animals could at any time break free from their bonds but because they believed they couldn’t, they were stuck right where they were. Like the elephants，how many of us go through life     8    （hang）onto a belief that we cannot do something, simply     9     we failed at it once before?

    10    （fail）are part of growth; we should never give up the struggle in life!

【推荐3】阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。
Fishermen and     1    (sail) sometimes claim to have seen monsters in the sea.     2    people have often laughed at stories told by seamen, it is now     3    (know) that many of these ‘monsters’ which have at times been sighted are     4    (simple) strange fish. Occasionally,     5    (usual) creatures are washed to the shore, but they are rarely caught out at sea. Some time ago, however, a peculiar fish was caught near Madagascar. A small fishing boat     6    (carry) miles out to sea by the powerful fish as it pulled on the line.     7    (realize) that this was no ordinary fish, the fisherman made every effort not to damage    8    in any way. When it was eventually brought to shore, it was found to be over thirteen feet long. It had a head like a horse, big blue eyes, shinning silver skin and a bright red tail. The fish, which has since been sent to a museum     9    it is being examined by a scientist, is called an oarfish. Such creatures have rarely been seen     10    (live) by man as they live at a depth of six hundred feet.

【推荐2】相关话题语法填空

China's internet giant Alibaba has launched free online medical consultation services in an effort     1    (receive) hospital pressure amid the novel coronavirus spread.

Users can access the consultation service and view real-time epidemic data nationwide from the National Health Commission on Alibaba's online shopping platform Taobao or mobile payment app Alipay.

Hundreds of professional doctors from all over the country are     2    (provide) services through the app,     3     more than 70 percent of them being respiratory and general practitioners, the company said.

As of 12:00 am Sunday, the service homepage     4     (receive) nearly 400,000 visits after     5    (launch)   for 24 hours, with 97 percent of them from Central China's Hubei province, where the epidemic is most severe, according to data from service provider AliHealth.

【推荐3】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

In order to make young people realize the     1     (important) of the Social Media Detox, we held     2     activity. Over 100 students had been persuaded     3     (stop) using social media for seven days, most of whom     4     (be) excited and nervous. It took Anna two days to be aware of the seriousness of     5     (check) phone. Doing the detox not only     6     (make)Devon realize the value of     7     (really) contact but also motivated Cindy to visit a different friend every day. An hour’s sport each day let George become healthier and healthier. It is a pity that Max threw in the towel     8     the first day. In a word, the Social Media Detox is successful,     9     helps teenagers step away from social media and communicate with each other     10     (well).