单选题We asked the girl ______ a tractor if she could tell us how to get to the farm. A. to drive B. drove C. driving D. drive

单选题The deer was lucky that it just missed ______.

单选题A dream may come true if one works hard to ______ it.

单选题We don"t know why so many people in that region like to wear dresses of such ______ colors.

单选题The examination ______ next week. A. is held B. will hold C. is to be held D. will have been held

单选题I really appreciate ______ to help me, but I am sure that I can manage by myself.

单选题This medicine, taken on time three times a day, can be very ______ for a cold. A. healthy B. efficient C. active D. effective

单选题______ the rain, we should have had a pleasant trip to the countryside.

单选题Companies are struggling to find the right ______ between supply and demand, but it is no easy task.

单选题Effectively making oneself ______ is the first step of communication.

单选题(B) Someday in the future we may not need to have money in our pockets. Is life easier when people don"t need to carry any money? Is money heavy to carry? Is it safe to carry money? Maybe in the future each of us will have only one small plastic credit card (信用卡). We will use it to buy all the things we now buy with money. We will not need money to pay for things. Of course we may still have some of the same problems with cards that we now have with money. Sometimes we lose money. Maybe we will lose the card. People steal money. Maybe someone will take the card. Someone may even make a card that looks like our card. Since we can"t buy anything without our card, the credit card may be no better than currency. Is there something even easier to use than credit cards? All of us have a thumbprint (拇指纹 手印). No two thumbprints are the same. Maybe someday the government will keep people"s thumbprints with a number. No two people will have the same thumbprint or number. When we want to buy something, we will put our thumbs on a machine or computer. Each store or business will have one. Everyone"s thumbprint will be in the computers. It will be very difficult to lose our thumbprint. It will be difficult for someone to steal it or make one like it.

单选题She spoke so fast that it was difficult for her to make herself ______. A. understanding B. understood C. to understand D. be understood

单选题Facts show that as many as 50 percent of patients do not take drugs ______ directed.

单选题He was the only one who was ______ by Harvard University among the applicants. A. elected B. selected C. picked D. taken

单选题She had clearly no ______ of doing any work, although she was very well paid.

单选题Mary was disappointed when she found that everyone had passed the test ______ her.

单选题Much to my surprise, they went away without telling us their ______ address.

单选题The company is trying every means to ______ the wholesale price of its products.

单选题The new highway in the area is reported ______ within four years.

单选题It was not until the subprime loan crisis ______ great damage to the American financial system that Americans ______ the severity of the situations.