单选题
A. Now the bottled-water costs 1.5 yuan each. B. Now the bottled-water costs 3 yuan each. C. Now the bottled-water costs 4.5 yuan each. D. Now the bottled-water costs 6 yuan each.
【正确答案】
C
【答案解析】[解析] The bottled-water prices have skyrocketed due to the pollution of the lake. Last week it was 1.5 yuan per bottle, but now it costs triple as much.
单选题
A. The editor in chief didn't know that the figures were accurate. B. The editor in chief expressed doubt about the accuracy of the figures. C. The editor in chief questioned the reporter about the accuracy of his article. D. The editor in chief had telephoned someone and requested for a draft report.
【正确答案】
B
【答案解析】[解析] The editor in chief called in question the accuracy of the figures in the draft report of the financial news.
单选题
A. We should build more schools to ensure our success. B. Education is the very cause we should continue devoting ourselves to. C. To remain competitive in the global economy, we must be ambitious. D. We must commit to our national agenda to remain competitive.
【正确答案】
B
【答案解析】[解析] To remain competitive in the global economy, we must build on the success of such schools and commit to an ambitious national agenda for education.
单选题
A. They didn't enjoy the play. B. They only saw the latter half of the play. C. They liked the play. D. They didn't see the play.
【正确答案】
D
【答案解析】[解析] Tom and Amy went to the Grand Theater on Saturday, but they went away only half way through.
单选题
A. Though sunshine is free, we still need to purchase fuel to operate a solar heating system. B. We need to purchase a solar system before we can use the sunshine. C. If we want to use sunshine for the solar heating system, we must buy fuel first. D. It's not necessary to buy fuel to run a solar heating system.
【正确答案】
D
【答案解析】[解析] There is no need to purchase fuel to operate a solar heating system because sunshine is free to everyone.