【文章內(nèi)容簡介】 over looks very similar to NASA39。S Mars rover． But there are differences Mars rover Moon rover Launch（ 發(fā)射 ） time 2021 2021 in plan Power（ 動力 ） Lithium batteries（ 鋰電池 ） Nuclear power（ 核能 ） Speed 18 metres an hour 100 meters an hour 41． If there is a box which is 60N on the earth， it is ________ N on the moon． A． 60 B． 10 C． about 100 D． about 600 42． Which of the following is right? A． In 2021， an astronaut of China will land on the moon． B． Mars rover runs faster than Moon rover． C． Mar rover and Moon rover have the same power． D． China has made a Moon rover． B Some doctors think that you should drink a glass of water each morning． You should drink this water first before doing anything else． The temperature of the water should be similar to body temperature: not hot， not cold． Why should we drink this water? Water helps your body in many ways． It helps clean out your kidneys （ 腎 ）． It prepares your stomach for digestion （ 消化 ）． Water can also help your intestines （ 腸 ） work better． After drinking water， the intestine can more easily get nutrient （ 營養(yǎng) ） from your food． And water helps us to go to the bathroom more easily． Scientists suggest that people take in 1， 600 milliliters of water each day． But don39。t drink all of that water in one sitting． If you do， your kidneys have to work much harder． It39。s better to drink some in the morning and some in the afternoon． Some people think it39。s better to drink between meals and not during meals． They think water makes the juice produced in our stomachs thinner． It is no good for the digestion． Are you drinking enough water every day? Check the color of your urine （ 尿 ）． If it is light yellow， you are probably drinking enough． If it is dark yellow， you probably need more water． A little more water each day could make you much healthier． 43． What could be the title for this reading? A． Drink Water， Not Soft Drinks! B． Drink During Meals． C． Drink Between Meals． D． Drink Enough Water． 44． Why is it helpful to drink water in the morning? A． Your kidney will work harder． B． Your intestines will work well． C． Your juice will be made thinner． D． Your urine will be pale yellow． 45． Which of the following is NOT the reason to drink water? A． So your intestines will work well． B． To get more nutrient． C． To clean out your kidneys． D． To make your juices thinner． 46． Why is it better to drink between meals? A． So you eat enough food． B． So you don39。t make your juice thinner． C． So you urine will not smell bad D． So you don39。t overwork your kidneys． 47． Why is darkcolored urine a sign to drink more water? A． It shows our body is unhealthy． B． It means our kidneys are working too hard． C． Less water makes the color darker D． It is the same color as our digestive juices． C Life is like throwing and catching four balls of life in the air． You call the balls work， family，friends and minds． You will soon understand that work is a rubber ball． If you drop it， it will bounce back （ 彈回 ）． The other three balls are made of glass and easy to be bro ken， so you must know how to protect them． But how? Don39。t shut love out of your family by saying it39。s hard to find． The quickest way to get love is to give it。 the fastest way to lose love is to hold it closely。 and the best way to keep love is to give it wings． Don39。t think