单选题My suggestion is that a doctor ______ immediately. A. is sent for B. be sent for C. will be sent for D. can be sent for

单选题From the writer's observation, we can see that fires break out in Tokyo ______. A) occasionally C) not very often B) quite frequently D) twice a day

单选题They asked her to ______ the facts as she remembered them.

单选题Mr. White was the ______ president of the company.A) previousB) beforeC) latterD) former

单选题By saying "Now exists the possibility of terrorism by computer", the writer means that ______.

单选题—Have you worked out when the final payment is ______? —Early next month.

单选题A.Hisroomisquitesmall.B.Hisroomisquitelarge.C.Itishisturntocleanthedormitoryroom.D.It'shardtofindaroominthedormitory.

单选题Only after I had reached the airport______ that I had forgotten to take my ticket with me.A) I realizedB) have I realizedC) did I realizeD) I had realized

单选题Not until the problem of talents and funds is solved will our talking about the project be meaningful.

单选题Barbara did not have time to go to the concert last night because she was busy ______ for her lecture.

单选题Never ______ to the U. S. A..

单选题Within the area of Public Administration, I am interested in Public Policy Making and Operation Research (运筹学), which ! hope can be emphasized in my future program of study. Upon fulfilling the degree objective, I will return to China and apply for a position in government.

单选题Remember，living green really does make our life different! It is a healthy choice both for us and for our planet. In the long run, small changes we make in our life will have a great impact on the planet. As the old saying goes, no one can do everything, but everyone can do something! With the idea of living green every single day, our Green Year is getting started.

单选题A.Two.B.Five.C.Three.D.Four.

单选题All the lights ______before we left the office．

单选题If you want to get a driver's license, you will have to apply at a driver's license office. There you will be required to take a written test for driving in that area. You will also need to pass an eye test. If you need glasses, make sure you wear them. In addition, you must pass an actual driving test. If you fail the written or driving tests, you can take them again on another date.

单选题Online advertising is the means of selling a product on the Internet. With the arrival of the Internet, the business world has become digitalized (数字化) and people prefer buying things online, which is easier and faster. Online advertising is also known as e-advertising. It offers a great variety of services, which can not be offered by any other way of advertising. One major benefit of online advertising is the immediate spread of information that is not limited by geography or time. Online advertising can be viewed day and night throughout the world. Besides, it reduces the cost and increases the profit of the company. Small businesses especially find online advertising cheap and effective. They can focus on their ideal customers and pay very little for the advertisements. In a word, online advertising is a cheap and effective way of advertising, whose success has so far fully proved its great potential (潜力).

单选题

单选题What are the essential differences ______ selling and marketing?

单选题Excuse me, do you know when ______ your boss?