课时1
课上典型例题：
1. Chinese scientists _________ praising because they have made great progress in their study of DNA and have gained international recognition.
A. need B. examine C. deserve D. measure
2. The boy wanted to ride his bicycle in the street, but his mother told him ________.
A. not to B. not to do C. not do it D. do not to
3. Within a fortnight, the country girl turned out to be a super star, ____ the attention of the whole world.
A. turning B. paying C. drawing D. bringing
4.The medicine, if _______ according to the doctor’s instructions, will work on him before long.
A. taken B. taking C. being taken D. to be taken
5. To our shock, this terrible, violent crime was ______ by some young boys under the age of 16.
A. committed B. confirmed C. considered D. conducted
