pigeon along. He could tie a message to the bird’s leg. It would fly back 9. ________ the

soldier’s message. These are shown ways to send messages. Can you think of more 10.

________?

________ one second, light travels about 300,000 kilometers, but sound travels only 340 meters.

You can get some idea of this difference by 3. ________ the start of a running match. If you

stand far away from the starter(发令员), you can see smoke 4.________ from his gun 5.________

the sound reaches your ears. The fast speed of light produces some strange facts. The nearest star

is 6. ________ far away that light which you can see from it tonight started to travel to you four years 7. ________ at a speed of nearly two million kilometers every minute. The light from some

of tonight’s started on 8. ________ journey towards you even before you were born. So, if we

want to be honest(诚实), we 9. ________ say , “ The stars are shining brightly tonight.” We

have to say, “ The stars look nice. They were 10. ________ four years ago but their light has just

reached our earth. ”

happy, interest, problem, never, get away, eye, run , tire, have, miss ,catch, think

( 7 )

Aman was sitting in the doctor

’s office. He was telling the doctor about his 1 . ________ .“I

like football, Doctor.” He said, “ Please help me. My life has 2. ________ been a good one

since I became 3. ________ in football and it is getting worse and worse. I can’t even

4.________ from it in my sleep. When I close my 5.______, I’m out there in the football field

and 6. _______after a flying ball. When I wake up, I’m more 7. _____than I was before I went

to bed. What am I going to do? ” The doctor sat back and said, “ First of all, you 8. ______to

do your best not to dream(做梦) about football. Before you fall asleep, try to 9. ____about

2.________, but it is not 3. ______ for most plants.

The animals are 4. _______ to the desert people in many ways. The desert people eat the

meat and drink the milk of the animals. They use their skins to 5. ________ shoes, water

bags and even tents(帐篷). They use the camels(骆驼) for 6. _______ things.

The people of the desert have to keep 7. _______ from places to place. They must always

look for grass or desert plants for their animals. They usually live in the tents. When there

is mo more food for their animals, they take down their tents, put them on the camels and

move to 8. _______ place. The desert people are very 9. _______. No man in the desert

would ever refuse to help the people in 10._______ and give them food and water.