正确答案是D但我很不理解,为什么不选C?生物与环境息息相关,下列叙述中错误的一项是（ ）.A很多树木在秋天落叶,是生物长期适应环境的结果.B人离不开空气,是生物对环境的依赖C大树底下好

正确答案是D但我很不理解,为什么不选C?生物与环境息息相关,下列叙述中错误的一项是（ ）.A很多树木在秋天落叶,是生物长期适应环境的结果.B人离不开空气,是生物对环境的依赖C大树底下好 第一题我知道正确答案是a,但我不知道d为什么错了. 这道题我很不理解,为啥选c 为什么不选D?正确答案B.旁边的步骤是B选项的,但D怎么想呢? （说理由.我知道正确答案,但不知道为什么）1.It is much faster to type(打字) than______.A.to write B.writing C.write D.writes (答案[A].为什么不选C?） I think ____ necessary for a student to master a foreign language.A.this B.that C.its D.it正确答案是D.为什么?这样念起来很不通的感觉,我怎么觉得应该是it's? 盛放在敞口瓶内的下列物质长期暴露在空气中,凭内物质的质量会减少的是A 食醋 B 生石灰 C 食盐 D 烧碱固体 （正确答案是A,但我不知道为什么,） Most importantly?most important?Most___,don't pollute the water.Most importantly 是正确答案,但我不知道为什么要填importantly,A.important B.importantly C.importance D.importancesimportantly是adv.副词喔. Little Jim is going to spend his holiday in Paris,____lives his uncle.A.which B.who C.where D.that 正确答案选的是C,这我理解.但是我觉得A也不错吧?不知道为什么A不对, I'm afraid there is no___for you in my car.A.places B.room C.a seat D.a room如题,我看到句中有is就理解为单数,但是为什么不选C呢、?正确答案是Bplaces改为place是不是就可以选择了/? 一道英语单选.Since the matter was very_____,we deal with it immediately.A.difficult B.different C.argent D.necessary正确答案是C但我不知道为啥. How do you get on with your classmates?选择题How do you get on with your classmates?A.Well done B.Very well C.That's OK D.I'm well我已经知道正确答案是B了,但我不知道为什么选第二项,谁可以帮我讲解一下?谢谢! THE CHARITY ORGANIZATION MANY PEOPLE CONTRIBUTE MONEY TO( ) TO SUPPORT HOMELESS PEOPLE WITH FOOD.a HELPINGb HELPc HELPSd HAVE HELPED正确答案是C,但我不知道为什么 __about a tall building.A.Think B.Tinking C.Thinks D.Thought正确答案是A.但不是说动词作主语要加ing吗?为什么不选B呢? 一道SAT数学,06年的真题.What is the greatest possible area of a triangle with one side of length 7 and another side of length 10?A.17B.34C.35D.70E.140正确答案是C.我选对了,但不知道为什么.只是把这个三角形意淫成直角 请教英语考试题,急,Children have to stay at home when there is a typhoon,_________?(这道题我选的C,正确答案是B,但前半句不是有have吗,为什么不能用它提问)A don't children B don't they C haven't they D haven't childrenDa Fifty years ago,wealthy people liked hunting wild animals____for fun traveling.A.rather than to go B.more than going C.other than going D.than to go 我知道正确答案是C,但我想知道为什么不可以选B? 英语问题taste&idea区别We often go to concerts together because we have the same________ in music.A.loveB.hobbyC.tasteD.idea正确答案是C我知道A,B肯定不选,taste是品位,但为什么不能说我们想法一样,选D呢?