2017届高考英语总复习闯关密训卷 Unit5《Canada—“The True North”》必修3_高考复习指南

2017届高考英语总复习闯关密训卷 Unit5《Canada—“The True North”》必修3

　　()4. The word “juggle” in the second paragraph can be replaced by “________”．()5. What can be concluded from Jonathan Smallwood's words?

　　A. People who often have daydreams probably own a pretty capable working memory.

　　B. On the working memory test, people with wandering minds will get high score.

　　C. Absorbed in the mind wandering, your attention left no space for your goal.

　　D. Dealing with some easy jobs, people with higher working memory will daydream.

　　()6. What is the best title of the passage?

　　A. Mind drifts are always positive.

　　B. Daydreaming is good for the mind.

　　C. Creative moments come with working memory.

　　D. The more daydreaming, the more effectively one works.

　　If California were not already so famous for Sillicon Valley(硅谷) and Hollywood, it might be well－known for the groups of water－technology firms in its San Diego County. The reverse－osmosis (RO) spiral module, the technique that supports turning seawater and waste－water into drinkable stuff, began in San Diego in 1964. Today dozens of firms in the area supply many of the world's approximately 13，000 RO plants in places from the Persian Gulf and Israel to Australia and China.however, has not so far been a big user of its own technology. This is surprising, given that the whole American south－west faces a water problem. But now as the climate gets warmer and the population increases, there is more agreement that the existing infrastructure, consisting of vast pipes that carry water from the Sacramento Delta in the north and the Colorado River in the east, will not be enough. In places such as San Diego, which has inadequate and salty groundwater and currently imports 90% or its water, the answers must be greater conservation, reusing as much water as possible, and getting most of the rest from the sea.