Whatmanyscientistsbelieveisthatthecontinuedpresenceofw...
问题详情:
What many scientists believe is that the continued presence of water allowed the earth to dissolve 46 gases and acids into the oceans and seas. This produces a 47 reaction, which made 48 possible for life to develop.
That afternoon aboard the train, the cousins 49 down in their seats. Earlier that day, when they crossed the Rocky Mountains, they 50 to catch sight of some mountain goats and even a grizzly bear and an eagle.
Cowboys from all over the world come to compete in the Stampede. Many of them have a 51 for riding wild horses and can win thousands of dollars in prizes.
Nobody before Jane fully understood chimp 52 . She spent years 53 and recording their daily activities. Since her 54 she had wanted to work with animals in their own 55.
【回答】
46. harmful 47. chain 48 it 49 settled 50 managed
51 gift 52 behaviour 53 observing 54childhood 55environment
短文改错
des 改成 except ticed改成 practicing 改成 were
改成have 60.把away 删掉 61.a改成the 改成later
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知识点:语法填空
题型:未分类
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直角坐标系中,点P(1,4)在A.第一象限 B.第二象限 C.第三象限 D.第四象限
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近日我州某地成功处置了一辆满载三*化*(PCI3)的车辆泄漏事故.三*化*是一种重要的无机盐工业产品,无*液体...
问题详情:近日我州某地成功处置了一辆满载三*化*(PCI3)的车辆泄漏事故.三*化*是一种重要的无机盐工业产品,无*液体、密度1.574g/cm3(21℃),熔点﹣112℃,沸点75.5℃,易燃.遇水反应生成亚**(H3PO3)和*化*,与有机物接触会着火.下列对三*化*的说法错误的是()A.三*化*中*元素的化合价为+...
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如图中,A、B、C、D、E是单质,G、H、I、F是B、C、D、E分别和A形成的二元化合物,已知:①反应C+G ...
问题详情:如图中,A、B、C、D、E是单质,G、H、I、F是B、C、D、E分别和A形成的二元化合物,已知:①反应C+G B+H能放出大量的热,G是红综*固体粉末;②I是一种常见的温室气体,它和E可以发生反应:2E+I2F+D,F中的E元素的质量分数为60%.回答问题: ⑴①中反应的化学方程式为 ...
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如图所示,一质量为m的物块恰好沿着倾角为的斜面匀速下滑。现对物块施加一个竖直向下的恒力F。则物块( ) ...
问题详情:如图所示,一质量为m的物块恰好沿着倾角为的斜面匀速下滑。现对物块施加一个竖直向下的恒力F。则物块( ) A.将减速下滑 B.将加速下滑 ...
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