离散数学2017自考

为什么功夫茶具的蛤蟆一定要茶淋才叫,白开水淋就不叫呢?只要是烫水就变色那蛤蟆能分别出碱性吗 茶台里的蟾蜍有什么作用 将镀锌钢板作为承重件埋在室外的土中,镀锌钢板会被腐蚀吗? 划线部分提问I am writing with my pen.划线部分是my pen 物体a静止在台秤上,质量ma=10.5kg,秤盘b质量mb=1.5kg,弹簧本身质量物体A如图所示,静止在台秤的秤盘B上,A的质量mA=10.5kg,B的质量mB=1.5kg,弹簧的质量忽略不计,弹簧的劲度系数K=800N/m.先给A施加一个竖 MY WILL IS YOUR FATE! Your choice is wise your 翻译英语 Fate is the Consequences of your choice from which destiny put to you 氧气袋是什么 有什么作用 He _ the bike _ me yesterday.A borrowed from B lent to是不是两个都行? 氧气袋有什么用 ( )_you _ the bike from Sandy yesterday?A.do,borrow B.dod,borrow C.do,land D.did,lend( )I like the skirt _some flowers _ it.A.has,in B.there are;on C.have,with D.with,on( )There _ two football matches on TV tomorrow afternoon.Really!That's great.A.wi 说出以下短语的汉语意思,并指出其用法指出下列短语得意思,并说明其用法.1.stand up 2.sit out3.show up4.turn out 关于食物的英语有趣短语 越有趣越好 说出中文意思 by your first class bank in our favour upon signing Sales Contract.Shipment will be effected within 25 days after receipt of the relevant L/C issued by your first class bank in our favour upon signing Sales Contract.这个句子中by your first class Your esteemed favour of 27th September was duly received by Would you please _____ me a favour by lending me your bicycle for a few days?A． makeB． doC． haveD． help Lingling borrowed a book from Chen Huan yesterday转化为同义 __with the book I bought yesterday,the one borrowed from the libray doesn't seem interesting.A,When compared BWhile comparing C,comparingB和C为什么不对?我记得有些题开头都是用ING形式的.哎.迷惑啊 ——Need I go?——Yes,you ____. 初一英语题,标清题号谢谢! where are you my first love where are you ,my love My love,where are you in? 帮我翻译下where are you my love, All the boys have a comic book 的同义句 ______ _______ the boys ________ a comic book 解释下面短语的意思1.何其陌生的“何其” （ ）2.蔚为壮观的“蔚” （ ）3.沁人心脾的“沁” ( )4.不堪坎坷的“堪” （ ） 解释下列短语的意思1.take off 2.take away 3.put away 4.put on 5.gine up6.fix up 7.cheer up 8.put up 9.set off 10.put off11.take off 12.wake up 13.give up 14.look at 太阳光通过棱镜分解成红、橙、黄、绿、蓝、靛、紫几种不同颜色的光,这七种色光按顺序来叫做（ ） everyone likes to get birthday cards中的 birthday everyone cards get likes to连成一句话怎么连