M8U4单选.docVIP

1. John went through the test paper once more carefully for fear that he would ________ any essential details. A．betray B．abandon C．overlook D．escape 2. —I wonder ________ made some students give up this years college entrance exam. —Perhaps the present situation of employment. A．what was it that B．what it was that C．what was that it D．what was that 3. Doctors warn people that one may develop skin cancer with his skin ___ to the sun too much. A．exposes B．exposing C．exposed D．being exposed 4. —Chinese food or Japanese food? Which is your ________？ —Neither. Id like to have some Italian food. A．preference B．influence C．presence D．prediction 5. Clinical evidence began to______， suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals. A．operate B．strengthen C．approve D．accumulate 6．At the turn of the century, Congress placed a height ________ of 13 floors on all buildings in Washington. A．instruction B．restriction C．distinction D．liberation 7.．—The experiment is of particular importance. —I see. We will carry on with it ________ we can get enough money or not. A．unless B．whether C．though D．until 8. Two lawyers have donated $50,000 to ________ our schools campaign “Help the Needy”， which was started by our former headmaster three years ago. A．sponsor　　B．launch C．organize D．plan 9. The 20-hour storm that hit Beijing on Saturday claimed the lives of 77 people, ______ 46 were caused by drowning. A．in whom B．in them C．of whom D．of them 10. Take care not to keep your children ________ to the bad books and magazines. A．opposed　　　B．opposing C．exposing D．exposed 11. —The authors of computer viruses are geniuses. —I agree. They can apply their wisdom to other net technology ___ human beings can benefit. A．in which　B．through which C．on which D．from which 12. Nancy enjoyed herself so much ________ she visited her friends in Sydney last year. A．that B．since C．when D．where 13. —The p