钻井作业的主要风险

尺规作图 作相等角怎样作出完全相等的角? 已知2x-3y=1.用含y的代数式表示x,则x=___. 写出四个表示注意力集中的四字词语 写出下列形容词的副词hard还有fast 不要废话 well形容词 hard副词快 rain hard（下大雨）,中hard是形容词还是副词请举一个例子说明hard是形容词（就是造句中有hard而且hard是形容词的） 有没有本身即是形容词又副词的词?就像hard,有木有!多一点!谢啦,就今天! 形容集中精神,集中注意力的四字词语是什么 怎么判断英语词组中的to是介词还是连词? 记录下颜色后放回袋中,充分摇匀后,再随机摸出一球,两次都摸到黄球的概率啊 What room can no one enter?猜谜语 what room can no one go into? What room can no one go into?那答案是什么 What kind of room cannot you go into?真菌类的。 Which room can not go into? VB语句问题,编写求矩形面积的函数过程,调用该函数求任意两个矩形的面积和. 请问这句话怎么解释?it is how someone treats you that is more important than they looks What's inside you is more important than how you look.中怎么用is more how do you thing about something is more important than speaking的翻译（最好是谚语版的） （填空题）急!0.963有（ ）个千分之一,把它精确到十分位约是（ ）. 我好想跟你谈一场轰轰烈烈的恋爱.用英语怎么说? 怎么写关于爱的议论文 1根绳子,然后再对折一下,最后再对折一下,剪刀在绳子当中剪短,问现在一共几段绳子答题累了. 一根绳子对折n次,用剪刀从中间剪两刀,问有多少段?写出通式,说明原因 报复的本质是什么?如题 报复和理想是什么意思,详细 when i came back,i saw Tom（）adiaryA.writingB.was writing选哪个,为什么? One Monday evening,Tom was tired when he came back from school.He went to bed after supper.He didn't say anything to Jack.Jack helped their mother with the homework.Then he did some homework.When he went to bed,he found a piece of paper.On it were th The moon is ( )than the stars.A.bigger B.brighter C.smaller D.darker 请教这个说法对吗：The moon is brighter than the stars. But in fact ,it is smaller than any stars. 一根绳子被剪刀剪了一刀,为什么还是一根?脑筋急转弯