__________we cut down the trees，_____________environment we will have．

A．The more，the better           B．The more, the worse

C．The less，the worse             D．The fewer, the worse

阅读下面短文，掌握其大意，然后选出最佳答案，完成短文.

　　Once there was a businessman．Every day，he worked ___（1)___much．So later he found he couldn't sleep at night，but he kept on going to sleep ___（2）___the daytime．He became so worried that he went to ___（3）___his doctor．"Can you help me, doctor?"he asked．"I used to sleep very ___（4）___， but recently I haven't been able to sleep for more than two hours a night．"

　　The doctor looked ___（5）___ him carefully. At last he gave the businessman some medicine. The doctor told him to work __（6）____ hard, and then he would soon be better.

　　But the businessman grew worse ___（7）___ worse. He slept even less than before at night, and was always falling asleep in his __（8）____. He visited his doctor very often, and it took the doctor a long time____（9）__the cause: the businessman's wife gave him the wrong medicine. She was always giving him a __(10）____pill in the morning, and one to keep him awake at night.

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“Do you want to improve your score in math? Try staying away from your computer” A recent report in Britain says, “The ________ students use computers at school and at home, the ________ they do in exams of reading and math.”

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“Do you want to improve your score in math? Try staying away from your computer!” A recent report in Britain says, “The ________ students use computers at school and at home, the ________ they do in exams of reading and math.”

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