找出《罗布泊,消失的仙湖》直抒胸臆的句子,体会一下它们的作用。 ________

题型:问答题

问题:

找出《罗布泊,消失的仙湖》直抒胸臆的句子,体会一下它们的作用。

________________________________________________________________

考点:综合读写
题型:问答题

氧债是指什么?()

A.清除无氧代谢产物乳酸所需要的氧

B.进行有氧代谢时分解糖与脂肪所需要的氧

C.氧供应能满足运动时对氧的需要,进行有氧代谢时所用去的那部分氧

题型:问答题

已知抛物线y=ax2+bx+c的对称轴为2,且经过点(3,0),则a+b+c的值(  )

A.等于0

B.等于1

C.等于-1

D.不能确定

题型:问答题

根据短文内容和所给汉语提示,写出短文空白处各单词的正确形式。每空限填一词。

At school many things happen to us. We may feel   66 (激动的)when we succeed in a school play. We may feel sorry if we lose an important   67 (比赛). We want to keep the memory in our lives. How to keep memories? Our teacher, Mr. Smith, has taught us how to   68 (记住)things to make our own yearbook. A yearbook is a  69 (种) of book which is used to memory wonderful moments. It’s usually made at the end of year. Last  70 (十二月), we began to make our yearbook.  71 (首先) we chose the persons that had done something   72 (特殊的), then some   73  (学生) interviewed them, some   74 (写)down their stories, others took photos of them. Finally our teacher helped us to put the things   75(一起). Then we had our first yearbook.

题型:问答题

三个完全相同的长方体木块,竖放在水平桌面上,如图2所示,若将阴影部分(底面积都相同)切除后,剩余部分对水平桌面的压强的大小是(  )

A.pA>pB>pC

B.pA<pB<pC

C.pB>pA>pC

D.pC<p=pA

题型:问答题

超高的过渡可在缓和曲线全长可某一区段内进行。

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