题目

如图所示为刚收获的小麦种子所做的不同处理方式。下列说法正确的是刚收获的种子甲乙残留物丙A.甲中失去的是结合水B.乙中含有的元素最多的是氧,在适宜条件下也不能萌发C.残留物丙在小麦种子里主要以离子的形式存在D.晒干和烘烤过程中小麦种子失去的化合物不相同 答案:【答案】C【解析】分析题干的信息:刚收获的种子含量最多的化合物是水;种子在晒干过程中,主要失去的是自由水;干种子在烘烤过程中,主要失去的是结合水(失去生命活性);烘干的种子燃烧后,残留的主要是无机盐。A、甲是经晾晒得到的,故其中失去的是自由水,A错误;B、乙为烘干种子,含完形填空,阅读下面短文,掌握其大意,然后从各题所给的四个选项中,选出最佳选项。   When people don't know the language, the most common way is 1 communicate through 2 . However, many gestures have different meanings, or on meaning at all, in different parts of the world. In the United States, 3 example 4 your head 5 means “Yes”. In some parts of Greece and Turkey, 6 , this motion can mean “ 7 ”. In Southeast Asia , nodding your head 8 a polite way of 9 “I heard you”.   In ancient Rome, 10 the emperor wanted to spare someone's life, he would put his 11 up. Today in the United States, when someone put his/her thumb 12 , it means“ 13 is all right”. However in Sardinia and Greece, the gesture is insulting and 14 not be used there.   In the United States, 15 your clasped hands 16 your head means “I' m the champion” or “I'm the winner”. It is the sign fighters make 17 they win a fight. When a leading Russian Statesman made this gesture after a White House meeting, Americans misunderstood and thought he meant he was a winner. In Russia, however, it is a sign of 18 .   In the United States, 19 your hand tip with the thumb and index finger in a circle and the 20 three fingers spread out means “Everything is OK” and is frequently used by astronauts and politicians. In France and Belgium, it can mean “You are worth nothing”.       (1)A.to             B.on             C.for             D.of             (2)A.smiles             B.with             C.of             D.language             (3)A.for             B.with             C.of             D.about             (4)A.nodding             B.tossing             C.nodded             D.tossed             (5)A.upAnd    down             B.toAnd    fro             C.backAnd    forth             D.neckAnd    neck             (6)A.but             B.otherwise             C.however             D.yet             (7)A.No             B.Yes             C.OK             D.Go             (8)A.be             B.is             C.am             D.are             (9)A.say             B.said             C.says             D.saying             (10)A.when             B.after             C.since             D.while             (11)A.finger             B.thumb             C.index             D.hand             (12)A.down             B.above             C.up             D.below             (13)A.Nothing             B.Everything             C.Nothing             D.Anything             (14)A.must             B.can             C.might             D.should             (15)A.to    raise             B.raising             C.to    be raised             D.raised             (16)A.above             B.down             C.below             D.up             (17)A.when             B.after             C.since             D.while             (18)A.friends             B.friendship             C.friendly             D.being    friend             (19)A.hold             B.holding             C.held             D.to    be held             (20)A.no             B.other             C.another             D.either      
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