题目

选出依次填入下列句子横线处词语恰当的一项。①飞船进入预定的轨道后，先绕着地球飞行，以______它是否正常，能否向月球飞行。②创造性的思维又有哪些_______的要素呢？③（叫卖着）得气力足，嗓子脆，口齿伶俐，咬字清楚，还要会现编词儿，脑子快，能_____。A.检测 必需 随机应变 B.观测 必须 随机应变C.检测 必须 随声附和 D.观测 必需 随声附和 Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to    1   themselves.Some birds like eating locusts(蝗虫), but birds cannot    2  catch them. Why? It is because locusts change their   3   with the change of the colors of crops. When crops are green, locusts look    4 . But as the harvest time comes, locusts change into the same brown color    5  crops have. Some other pests whose colors are   6   plants are easily found and eaten by   7  . So they have to hide themselves for lives and appear only   8  .If you    9 animals’ life, you’ll find the main use of colors is to protect    10  . Bears, lions and other animals  11  quietly through forests. They cannot be easily seen by hunters   12  their colors are much like the trees.Colors are useful not only on the land, but also in the   13 . A kind of fish can   14  a kind of black liquid(液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is   15  they can live safely though they are not strong at all. So colors are really useful to animals.【小题1】A．showB．protectC．killD．interest【小题2】A．easilyB．freelyC．safelyD．differently【小题3】A．sizesB．smellsC．colorsD．shapes【小题4】A．yellowB．redC．blackD．green【小题5】A．soB．asC．likeD．with【小题6】A．different fromB．same asC．similar toD．opposite with【小题7】A．otherB．othersC．the othersD．another【小题8】A．in the morningB．at noonC．at nightD．in the daytime【小题9】A．studyB．writeC．drawD．work【小题10】A．themB．themselvesC．itD．itself【小题11】A．runB．fightC．moveD．eat【小题12】A．becauseB．soC．andD．although【小题13】A．forestsB．desertC．seaD．mountains【小题14】A．keep outB．come outC．look outD．give out【小题15】A．whyB．whenC．howD．where