皮皮学，免费搜题
登录
搜题
【判断题】
岩石级别是钻孔工序的主要影响因素,岩石级别越高,钻进功效越高,钻头消耗越低。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】产生于买方市场条件下的营销观念是( ) A)生产观念 B)产品观念 C)推销观念 D)市场营销观念 E)社会营销观念
【单选题】The principle of the heating system in this building is that pipes ________ hot water from the boiler to every part of it.
A.
consume
B.
conduct
C.
transmit
D.
convey
【单选题】This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
A.
if
B.
as
C.
since
D.
unless
【单选题】This building is ___ that one.
A.
three metres higher than
B.
higher three metres than
C.
so high as
D.
twice high as
【单选题】This building is too old and dangerous. It should _ __ dowm [ ]
A.
to pull
B.
pull
C.
is pulled
D.
be pulled
相关题目：
参考解析：
知识点：
题目纠错 0
发布
