______only can be caught by working hard， it won’t wait for you.

A. Choice B. Chance C. Luck D. Success

Ten people were killed in this accident， he was the only one ______.

A. lively B. alive C. live

Laws should be made______ the terrible haze（霧霾）______harm to our health.

A. to stop， do B. stop， doing

C. stopping， to do D. to stop， doing

______you listen in class， ______mistakes you will make.

A. The more careful， the less

B. The more carefully， the more

C. The more careless， the fewer

D. The more carefully， the fewer

-----Why is the traffic so heavy in Hefei?

---------Because two underground lines______ in Hefei now， and we can take them in 2017.

A. are building B. will be built

C. are being built D. have been built

-----How do you usually go to school， Jim， by bus or by bike?----------______First take a subway， then walk.

A. Neither B. Either C. Both D. None

-----Why are you playing computer games again， Jim?

------------Because I ______my homework and I want to relax.

A. finishes B. have finished

C. finished D. was finishing

What did your teacher say to you just now?-----------He asked me __________.

A. How could I work it out

B. when did I go to the library

C. why I am late for school

D. if I had got ready for the exam

I still remember the college and the teachers __________I visited in London years ago.

A. which B. that C. what D. who

Rice is the most important food for people all over the world， According to a survey， rice helps_____ one third of the world’s population.

Rice grows well_____enough water. People grow rice on land with much water and in the rain forests of Africa.

Scientists say that China______growing rice at least 3，000 to 4，000 years ago. Now， rice is _____in people’s daily meals. Rice can be boiled， steamed（蒸）or developed into other food or snacks. It is also a _____food on festivals. People make New Year cake with sticky rice（糯米）every Spring Festival. Zongzi is also _____sticky rice during the Dragon Boat Festival.

China has the _____ population in the world. In order to feed more people， Chinese scientist Yuan Longping led the Super Rice program in 1996. Today， half of China’s _____ plants are Yuan’s Super Rice. China uses Yuan’s Super Rice to grow much more than before. It helps more ______ in the world.

The harvest（收成）of rice _____many things. Rice grows well between 18 ℃ to 35 ℃. A good rainfall also makes a great harvest. Farmers need to fertilize（施肥）the rice and be careful of insects（害蟲）.

1.A. feed B. water C. grow D. plant

2.A. without B. with C. for D. at

3.A. stopped B. liked C. hated D. started

4.A. special B. expensive C. common D. unusual

5.A. terrible B. traditional C. useful D. sweet

6.A. made of B. made from C. made in D. made by

7.A. most B. largest C. smallest D. least

8.A. snacks B. drink C. fruit D. rice

9.A. country B. woman C. man D. people

10.A. decides on B. depends on C. puts on D. holds on