题目内容
Part 1 Vocabulary and structure (10 points,10 point for each)Directions: There are 10 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the ONE answer that best completes the sentence.
查看答案
搜索结果不匹配？点我反馈
更多问题
Both candidates are well qualified. We’re ___________________ a difficult choice.
We believe that getting freshwater from saltwater at a cheap rate is ______________ human beings in a long term.
Now, the dawn (黎明、曙光、到来) of a new energy era is just around the corner (即将到来) — with the prices of solar power going down, and distributed generation and energy efficiency ____________taking off — and we can foresee a time this century _______ water replaces energy as the next great challenge for humanity.
The reason energy and water sit at the top, ahead of food and poverty, is ________ addressing them makes _____________ problems easier to deal with.
微信支付 
支付宝支付