接触职业病危害作业

西方乐器有哪些 中国乐器和西方乐器的区别 当人类探测的距离超过了宇宙的年龄人类的探测的距离原来越远````宇宙是有年龄的吧```假如你现在探测的距离是10光年``那么你现在看到的就是10年前的情景吧```那么如果你探测的距离超过了 巴颜喀拉山和唐古拉山有关系吗? 唐古拉山和巴颜喀拉山在哪个省?是青海省吧? 放风筝描写了大观园中的人物怎样事件 英语翻译So long as men can breath,or eyes can see ,/So long lives this ,and this gives life to thee 人类可以探测的宇宙最远的星系?经常看到一些科学杂志上面 提到宇宙探测的最远的星系是几百万光年,我也知道光年是长度单位,但是这么长的距离,光都需要走几百万年,人类是怎么算出来的? 科学家探测宇宙空间最远达到了多少（距离）? 什么是样品标识系统?意义是什么? 番加个双耳刀读什么 耳刀加个茶 念什么 命加耳刀念什么 息能组什么词语 电信手机上怎么有两个信号 底去掉广加耳刀念什么 世界能源输出最大的港口是那? 如何上好一年级数学复习课 悉尼是世界上最大的什么贸易市场和出口港 fast food可数吗?同上. Look,the young man is d__ some r__ now 选择 1.A:cloud l have_?B:certainly,young man.A.some more B.some much C.some a few D.any a few2.do you want__shirts,charles?no,the green__,please.A.both...ones B.both...one'sC.both...oneD.all...one3.______some ink bottles in the box.A.there areB.the 格锐目定律是什么 当前世界的主题和基本格局是什么? slow food for a fast life 如何翻译 不要翻译成“慢食出细活”或者是“远离快餐” I love my home so many Here is a beautiful card has some flowers on it.He is a strongest boy in my class.I drank fewer juice than me.She has much homework than her cousin.Can you speak the difference between the two words?(改错) why do we choose fast foodlife is busier than ever Between school，sports，clubs，and firends，who has time to thinkabout what to eat Time for plan fast food。“Fast food is easy "said a 14-year-old girl Sarah Hudson,enjoying a snack at McDonal Why do we choose fast food Life is busier than ever .Between school ,sports ,clubs ,and frien请帮忙翻译以上文字, We have all pants ( ) all colors ( ) $18 .. I was shapping when the UFO arrived(对I was shapping 提问) .I was sleeping last night when the UFO l_______. When the UFO(landed/was landing),the dog (slept/was sleeping)另有一题：When the reporter(arrived/was arriving),everybody(shouted/was shouting)这两题标准答案：第一题landed,was sleeping；第二题arrived,shouted.但我不明白为什