皮皮学，免费搜题
登录
搜题
【单选题】
若平面向量 与向量 平行，且 ，则 ( )A.
B.
C.
D.
或
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In which of the listed hydraulic systems will the installation of an oil cooler be necessary?
A.
Constant tension mooring winch system
B.
Hatch cover system
C.
Watertight door system
D.
Internal combustion engine hydraulic starter system
【单选题】It is likely that following this introductory passage, the author will provide the necessary material related to the topic of engineering ethics.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】What is the distinguishing feature of Bolden's band that was later recognized as a necessary feature of jazz?
A.
The ability to be totally absorbed in the music.
B.
Improvisation.
C.
Collective improvisation.
D.
Ragtime with spontaneous additions.
【简答题】酶的非水相催化包括几种?特点是什么?
【简答题】材料1 史蒂夫.乔布斯(SteveJobs)在斯坦福大学2005年毕业典礼上的演讲中说：“我跟着我的直觉和好奇心走，遇到的很多东西，此后被证明是无价之宝。让我给你们举一个例子吧：Reed大学在那时提供也许是全美最好的美术字课程。在这个大学里面的每个海报，每个抽屉的标签上面全都是漂亮的美术字。因为我退学了，不必去上正规的课程，所以我决定去参加这个课程，去学学怎样写出漂亮的美术字。我学到了sanser...
【简答题】necessa____ 有必要的
【单选题】When students are doing activities， the teacher walks around and provides help if necessary， both in ideas and language， What role is the teacher playing?
A.
Organizer.
B.
Assessor.
C.
Resource-provider.
D.
Monitor.
相关题目：