题目

水有通电的条件下，分解产生氢气和氧气，这一变化过程中的最小粒子是（） A . H2 B . H和O C . O2 D . H2O 答案：B语法选择阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从31-40各题所给的A、B、C、D选项中,选出最佳选项,并将答题卡上对应题目所选的选项涂黑。In a faraway place, there was a village. The village had____potatoes than anywhere else in the country. In the harvest season, ____tons of potatoes were dug out of the ground. Before the potatoes were sent to the market, the villagers would ____divide the potatoes into three groups: large, medium and small.In this village there was a young man who received his share of the potatoes. While the other villagers_____,he just walked around the village laughing and talking. The villagers thought he was lazy, and they worried____this man would never get his potatoes ready in time. However, they were greatly surprised to find that the man's potatoes_____ perfectly into three groups when it was time for the villagers to go to the market. After ____ the man how he did it, they understood he was not lazy, but very clever. He had ___cart(手推车)and put all the potatoes in it. When he pulled the cart along the rough(崎岖 不平的)road, the potatoes moved up and down with it. In this way, the smaller potatoes moved to the bottom, the larger potatoes rose to the top and the medium ____rested in the middle. Life is ____ this too. If we wisely do things, we can achieve double results with half the work.【1】A.manyB.much moreC.too manyD.too much【2】A.thousandsB.thousand ofC.hundred ofD.hundreds of【3】A.busyB.busierC.busilyD.more busily【4】A.workB.would workC.had workedD.were working【5】A.thatB.whichC.whatD.how【6】A.dividedB.are dividedC.were dividedD.are dividing【7】A.being askedB.askedC.askingD.ask【8】A.aB.anC.theD.不填【9】A.oneB.onesC.theseD.those【10】A.forB.asC.aboutD.like