【单选题】He pretended not to care but that remark _________ his real opinion on the matter.
【多选题】下列哪些服务可以由旅客服务中心(information center)来帮助游客实现?
【单选题】确定拆卸顺序的一般原则是先()后()、先()后()、先难后易
【单选题】“What are you doing , Amy?” “I want to ________ these pictures on the wall.”
【单选题】Since it was getting late, we decided to find a small inn to _______ for the night.
【单选题】管路拆卸时,不正确的做法是:
A.
为了便于装配,拆卸前要在互相接合的两个零部件上,用同样的字头打上印记,或用其他方法做好记号,防止按原位装配时,发生错乱现象。
B.
拆卸顺序,可依据工艺流程中物料流向及测量仪表的使用原则,按一定顺序进行,一般与安装顺序正好相反。
C.
拆卸是,可对测量仪表、管路、设备三个部分分别进行拆装。
D.
拆卸时一般是从高处往下逐步拆卸,先 阀门 后 仪表 。
【单选题】The theory by Einstein was later to prove true, but at that time few people could accept it.
【单选题】Because of the economic crisis, industrial ou t put in the region remained