正确答案:
题目:保护生物多样性是实现人类社会可持续发展的基础。下列对生物多样性的理解正确的是
解析:C
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举一反三的答案和解析:
[单选题]侧根发生方式为( )。
内起源
[单选题]EA rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃.Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate.Without the forest cover,these areas would reflect more heat into the atmosphere,warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns,potentially causing certain natural disasters all over the world.
reduce the effect of heat from the sun on the earth
[多选题](一)文学名著阅读7.下列各项中,对作品故事情节的叙述不正确的两项是(5分)
宝玉去探望生病的黛玉。黛玉看见通灵宝玉上面的字,念道:“莫失莫忘,仙寿恒昌。”晴雯说这与黛玉项圈上的字是一对。宝玉果然看到金锁上刻着癞头和尚送的字“不离不弃,芳龄永继”(《红楼梦》)
欧也妮把自己的私房钱全部送给了查理,她的母亲发现这件事之后,就把她幽禁在房间里。欧也妮没有火取暖,只有面包和清水度日。查理给欧也妮做点好吃的,只能在夜里给她送去。(《欧也妮?葛朗台》)
解析:解析:B项中“黛玉”应为“宝钗”,“晴雯”应为“莺儿”;E项“母亲”应为“父亲”,给欧也妮送吃的的不是“查理”而是“拿侬”。
[单选题]It is not immediately clear _______ the financial crisis will soon be over.
whether
[单选题]开发新材料是现代科技发展的方向之一。下列有关材料的说法正确的是
氮化硅陶瓷是新型无机非金属材料
[单选题]单被、无被花比两被花(双被花)原始。( )
错误