皮皮学，免费搜题
登录
搜题
【简答题】
分析液压原理图,说明顺序阀6的作用是什么?换向阀7控制增压缸可以实现连续增压吗?
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
【单选题】The helm command CHECK HER means ______ .
A.
test the steering control
B.
read the compass heading
C.
stop the swing using hard over rudder
D.
slow the swing using moderate rudder
【单选题】—Jimmy is leaving for a holiday. —Really? Where ________ he _________ ? [ ]
A.
has, gone
B.
will, go
C.
did , go
D.
does, to
【单选题】---Jimmy has had a lot of parties recently. ---Yes , that might _____ why he didn’t do well in the test.
A.
apply for
B.
pay for
C.
answer for
D.
account for
【单选题】Jimmy has gone to Hongkong. I wish I _______his invitation for dinner last night.
A.
had accepted
B.
would have accepted
C.
have accepted
D.
accepted
【单选题】My father isn't here, he ______ Harbin. [ ]
A.
has been to
B.
has gone to
C.
has been
D.
has gone
【单选题】2016年3月16日，世界知识产权组织全球发布世界知识产权申请状况报告，数据显示，中国在专利和商标国际申请注册方面继续保持强劲增势头，连续3年位列全球()。
A.
第一
B.
第二
C.
第三
D.
第四
【简答题】Alice has gone to the classroom and she didn't say____________
相关题目：
参考解析：
知识点：
题目纠错 0
发布
