Natural resources are things that we use that come from Earth. Our natural resources are limited(有限的). This means that they will not _______ forever. Some are renewable, like when you plant a new tree when you _______ one down. Others are not renewable, like when you dig coal(煤) out of the _______. Once it is used, it is gone.

People realize the _______ that Earth's natural resources are limited, and can do things to help conserve(節(jié)約) those resources. _______ you try to conserve a natural resource, you try to use less of it, so it does not get used up so _______. One way that people conserve fuel, like gasoline, is by riding a bicycle or walking when the _______ is short instead of driving everywhere.

Water is a very important natural resource because we all need it to stay _______. We can conserve water _______ making sure that our pipes and taps do not leak(漏). We can also make ________ choices to conserve water, like only using the dishwasher or washing machine when they are full. Everyone can make contributions to protecting natural resources.

1.A. last B. spread C. burn

2.A. turn B. cut C. put

3.A. station B. building C. ground

4.A. news B. plan C. fact

5.A. When B. Although C. Whatever

6.A. slowly B. fast C. regularly

7.A. distance B. space C. place

8.A. alive B. alone C. asleep

9.A. about B. for C. by

10.A. generous B. funny C. wise

A picture of a boy arriving at a classroom with his hair and eyebrows fully covered with frost went viral(走紅) on the Chinese Internet.

A third?grader at Zhuanshanbao Elementary School in Xinjie Town, Ludian County of Zhaotong City, Yunnan Province, the boy's _____ is 4.5 kilometers from the school so he _____ needs to walk over an hour to attend classes.

In the picture, the boy has a red face from the _____ temperature. He stood _____ with his white hair and eyebrows while other classmates behind were clearly amused and laughing.

His teacher took the _____ on Monday and then sent it to the school headmaster, Fu Heng. For reasons unknown, the picture was released on the Internet and _____ a sensation(轟動)．

“It was minus 9 degrees centigrade(零下9攝氏度) in the morning and _____ the first day for the end?of?term exam，” said Fu. The boy's parents work in other cities and he lives with his brothers and sisters. The school _____ breakfast and lunch for students but the classrooms have no heating supply.

Many Weibo users have expressed _____ support to the boy. User @Hedgehog?qian said, “The hardships you suffer will shine on the road ahead.” Another user @qwedfgvbn123098 said, “Study hard to ______ your fate.”

1.A. family B. house C. home

2.A. usually B. quickly C. quietly

3.A. low B. high C. tall

4.A. lonely B. alone C. lovely

5.A. picture B. postcard C. paper

6.A. created B. caught C. bought

7.A. also B. even C. still

8.A. offers B. gives C. supplies

9.A. their B. our C. your

10.A. destroy B. change C. enjoy

I can't tell you way to the Wilsons' because we don't have Wilson here in the village.

A. the; a B. a;/ C. a; the D. the;/

could be more important to me than my family. I love my family.

A. Nothing B. Anything C. Something D. Everything

一Andrew hit a pipe. and filled the room with water.

一Let's help him right away.

A. mopping it up B. mopping up it C. mop it up D. mop up it

Harry Potter and his friends dinner when there was a knock at the door.

A. eat B. are eating C. were eating D. ate

I like learning English because the language sounds beautiful. ，it is also very useful.

A. Otherwise B. However C. Moreover D. Instead

Which of the following has the same sentence structure as "I know the man with glasses. "?

A. We called the cat Mimi. B. The children are reading some stories.

C. My mother told me to work hard. D. Molly is teaching the kids a new song.

There are some in this library. For example，you must keep quiet in it.

A. rulers B. rules C. reports D. records