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To make sure that there was enough   78   for his sister’s wedding meal（婚宴）， Ma missed four school days. He   79   the time carrying water from a lake, 30 miles away from his home. “How I wish I could live   80   a river,” said Ma.

This is the dream of many in northern China.   81   it has the world’s third largest quantity（數量）of water, China is    82   of the 13 thirstiest(最干旱的) countries.

The areas that are in most need of water are western and northern China, where there is   83  rain. These areas have just six percent of the country’s total water, but that water has to feed one third of Chinese people. Much of the water comes from underground. But using much underground water has made the ground sink（下沉）in some places.

Things are getting   84   worse because people are wasting water. Half of the water that farmers use for crops goes to waste. Factories use more water   85   they need and they put dirty water into rivers and lakes. The less water there is, the more worried people will be. How can we use water in a smart way? It’s a question for you to think about on World Water Day, Mar 22.

短文填空
To make sure that there was enough   78  for his sister’s wedding meal（婚宴）， Ma missed four school days. He   79  the time carrying water from a lake, 30 miles away from his home. “How I wish I could live   80  a river,” said Ma.
This is the dream of many in northern China.   81  it has the world’s third largest quantity（數量）of water, China is    82  of the 13 thirstiest(最干旱的) countries.
The areas that are in most need of water are western and northern China, where there is   83  rain. These areas have just six percent of the country’s total water, but that water has to feed one third of Chinese people. Much of the water comes from underground. But using much underground water has made the ground sink（下沉）in some places.
Things are getting   84  worse because people are wasting water. Half of the water that farmers use for crops goes to waste. Factories use more water   85  they need and they put dirty water into rivers and lakes. The less water there is, the more worried people will be. How can we use water in a smart way? It’s a question for you to think about on World Water Day, Mar 22.

How did ancient people tell time?

◆Natural ways of keeping time

In ancient time，people had to use the sun and the moon to tell time．They got up when the sun came up and worked in the fields until the sun went down．

◆Man-made things

The sand clock is made of two glass balls joined by a narrow neck．The top ball was filled with sand．The sand slowly moved through the neck into the bottom（底部）ball．People knew the time by watching how much sand fell to the bottom hall．People also made the water clock．They made a small hole near the bottom of a pot．when the water in the pot dripped（滴）out，marking（刻度）inside the pot showed how much time passed．

◆Body clocks in living things

Animals' body clock

Animals don't need clocks to know time．They have their body clocks．Birds know when to fly to warmer places before winter．Some animals know when to keep more food for the winter．Some fish know when it's time to move up the river and lay eggs．

Plants' own clock

Plants have their own clocks to keep time．Plants know when to open flowers or when to drop their leaves．

Body clock in human beings

People also have their own body clocks．When we get used to our lives，our body clocks can be very exact．It can tell us when it's time to wake up．It can also tell us when to eat or to go to sleep．

1．How could an ancient farmer know when to go back home from the field in the daytime?

A．By looking at the moon．                         B．By the sand clock or the water clock．

C．By looking at the sun．                               D．By feeling whether tired or not．

2．According to the passage，how can animals know time?

A．They use body clocks．                           B．They ask other animals．

C．They use the sun and the moon．                D．They make something to tell time．

3．How many kinds of living things with body clocks are mentioned here?

A．Two．                B．Three．               C．Four．                   D．Six．

4．In what way is the sand clock the same as the water clock in telling time?

A．Both of them have a neck．

B．Both of them have two glass balls．

C．Both of them can be used only once．

D．Both of them give the time by quantity（數量）．

5．The passage is mainly about _________．

A．man-made clocks                                    B．nature's clocks

C．time and clock                                           D．how people keep time

Today is Sunday, December 2nd, everyone in Sheep Village (羊村) is very busy. What does he/she do?
I’m Nuan Yangyang. I write a letter(信) to my friend at one o’clock in the afternoon. Then I do my homework.
I’m Fei Yangyang. I want to be healthy, so I go to a sports club to play sports in the morning. I go home at three o’clock in the afternoon.
I’m Lan Yangyang. I have lunch in a restaurant（飯店）. But the food isn’t good, I don’t like it.
I’m Mei Yangyang. I go to a clothes store at nine in the morning. The clothes there are beautiful, so I buy a nice skirt.
I’m Xi Yangyang. I take the bus to the English club at ten thirteen in the morning. There I help two kids（孩子） learn to speak English.
【小題1】Nuan Yangyang writes to a friend at ______.