单选题This is the microscope ______ which we have had so much trouble.
单选题Our department has a large collection of books, ______ are in English.
单选题Mike is so fond of collecting stamps that three fourths of his salary ______ spent on it.
单选题The new general manager is trying to find ______ to the company's financial problem.
单选题He saved the drowning child ______ the cost of his own life.
单选题______ last Friday, he would have got to Paris.
单选题______ we can't get the necessary financial support, what shall we do?
单选题A large percentage of e-commerce businesses went bankrupt in 2000, mostly due to inadequate business plans and excessive spending on advertising and marketing.
单选题Why can all the astronauts sleep at the same time?
单选题______ that I wasn"t going to get much chance for promotion, I soon became bored with my work.
单选题One possible reason why spring is the best season for thinking is that ______ .
单选题[此试题无题干]
单选题The two best seasons for thinking seem to be ______ .
单选题According to the passage, many people can use ______ at the same time.
单选题—"Excuse me, could you please have my computer ______ ?" —"Of course."
单选题There is no evidence______ oil price will come down in the near future.
单选题Not long ago, business used computers just as tools to store information. But now computers have become much more than that. They"re the heart of many businesses. Computers allow information to flow within the company and from the company to its customers. But if computers stop working, the flow stops. Companies need IT (information technology) mangers to make sure their computers run smoothly. Then, companies can stay connected to the Internet, and their customers.
单选题The proposal______, we'll have to make another decision about when to start the project.
单选题______ breaks the law will be punished sooner or later.
单选题Linda feels exhausted because she ______ so many visitors today.