桁架都是二力杆吗

ji qi xi读音不准听起来像口中有水一样,很不舒服,没法清晰的发音……请问怎么矫正 Make sure you turn off the lights是正确的吗?是祈使句吗?如何判别祈使句呢? i am leaving now._____you turn off the lights A to make sure B make sure C made sure D making sure interesting的近义词和与它相关的词（急）interesting的近义词和与它相关的词,10个以上最好! When does your mother usually come back f___ work? boring的近义词是不是not interesting It is more than six months now _______ she left home and it will be another three days _______ she returns home.A. since; fromB. since; beforeC. before; whenD. when; since please,you,take,could,your,off,coat 连词成句 take ＿your coat ,please a kind of造句 连词成句.your,please.take.coat.off. 用one of,kind of,造句 是 do some reading还是 do some readings啊 == 急需2个kind of造句 do some reading 中文意思 用all kind of造句 I`m leaving now.( )you turn off the lights.A To make sure B Make sure C Made sure D Making sure on sale =___the__ ___ ____ she ____ this love to ___ ___ (有效利用/从分利用)by working in the hospital. kind of 后跟health还是healthy或者其他的形式帮个忙 什么叫做ugg boots? 请问澳洲的Waggabrolga Ugg品牌的ugg怎么样?跟jumbo,boots有什么区别 aukoala ugg boots的设计理念和设计宗旨是什么呢? What kind of brand ugg boots do you like? Aukoala UGG or Shears UGG? 这句话是什么意思? 求一篇关于women ugg boots 的英文文章,400字 He puts his love _______ good use _______ working in a hospital.A.on ,by B.at ,in C.to ,by D.to ,about 为什么选C啊 一本名著 五篇读后感也就是说这一本名著中至少要包含五篇文章,1000字以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内,以内! 求一本名著的读后感老师叫我们寒假读《围城》等名著,并写读书感受.(急!最迟今晚七点回答,拜托啦,各位好心的大哥大姐.） DO YOU KNOW ALICE?YES,I KNOW______VERY WELL为啥填herself 不填 her 什么时候美国确立了世界经济霸主地位?标志是什么? 美国丧失世界经济霸主地位时间和世界经济多极化格局基本形成的时间我只知道美国是二战后形成的霸主地位,但什么时候丧失的不太清楚,希望可以有具体点的时间~ 中国人尊敬孔子,盗跖却将孔子狼狈骂走.到底谁错谁对?