第5题: [单项选择]They are trying to work out a ______ to the problem. A. satisfaction B. solution C. concentration D. attention 参考答案:B 答案解析:他们努力找出解决问题的办法。satisfaction意为“令人满意的事物”;concentration意为“集中”;attention意为“注意”;solution意为“解决……的办法”,符合题意。
第40题: [单项选择]The jet quickly ______ into the sky and soon went out of our view. A. ascended B. launched C. assessed D. descended 参考答案:A 答案解析:[解析] 本题意为“喷气机迅速升入空中,很快在我们的视野中消失”。A项“ascend上升”符合题意。如:The stairs in the Five-Star hotel ascend in a gr