单选题 The water used to cool the city’s buildings travels in a closed ________ inside 48-inch pipes that run for 15 miles beneath the city.

单选题 ________, you may want to mark that question for review and return to it once you have completed the other test questions.

单选题 The event has ________ young people since it was launched because of the discussions they can have with their peers in a supportive environment.

单选题 In an era with few well-paid jobs available, job seekers are usually unable to speak up for themselves ________ losing badly needed employment.

单选题 Questions concerning the origins of the laws of nature are beyond the ________ of science, and in areas where only philosophers and theologians (神学家) dare access.

单选题 Let’s take a check of the weather and see what’s going on all across the country. Shall we? ________ we are going to see some rain move through parts of the country.

单选题 His apartment was one of three that had been ________ out of a glamorous old house built in the 1930s.

单选题 If a prophet had come to our village in those days and told us what things ________, none of our people would have believed him.