正确答案: A

29%

题目：地球表面陆地的面积约占全球总面积的： （ ）

解析：A

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举一反三的答案和解析：

[单选题]20．

happy

解析：20.A【解析】happy意为“高兴的”，根据上文可知选 A。

[单选题]Stress is the feeling you get when you're really worried about something． This is the kind of worry that troubles you for hours，or even days．It makes you feel (11)，scared(恐惧的)，or angry． You may find it difficult to eat and sleep，or you might eat and sleep much(12) than usual． Stressing out will lead to serious 'problems like heart illness．(13) not all stress is bad for you． The good kind (14) your body and mind alert(机敏的) and can make you perform better，like when you're giving a speech to your class or running to the finish line．What causes stress? Do you know(15) your dad is worried about the bills，or your mom is unhappy? Because they're stressed out! There are lots of things in your life that ,(16) cause stress-having too much homework，taking a test in a subject that you are not good (17) ，or hearing your parents argue!

upset

解析：Ⅱ．11.D【解析】句意：压力使你感觉心烦、恐惧和恼怒。 其他三项均不合意。

[单选题]下列词语中没有错别字的一项是（ ）

戛然而止 盛气凌人 顶礼膜拜 路不拾遗

[单选题]Fromthepassage,wecanknow_________.

itissometimesdifficulttoreadasciencepassage

[单选题]下列词语中加点字的读音全都正确的一项是

讪（shàn）笑 粗糙（cāo） 静谧（mì） 攒（cuán）成