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【简答题】
以下哪一项不是对演讲的语言表达的基本要求? A使用正式的书面语 B通俗易懂 C生动感人 D准确朴实。
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皮皮学刷刷变学霸
举一反三
【简答题】圆柱截交线有三种情况:分别会有( )、( )、和两条互相平行的( )
【单选题】以下哪种情况是实验室内的正确做法?
A.
穿拖鞋、无袖进入实验室。
B.
实验室内吃早餐、零食。
C.
将水杯放在墙角处或离机台较远的地方。
D.
在实验完成后未收拾桌面及仪器就直接离场。
【单选题】某乡有人口2万人约5000户，欲以户为单位抽其中2000人进行某病的调查若按该乡家庭人口登记名册，随机抽取第1户，随后每间隔几户，再抽取，对被抽到的家庭进行调查。这种抽样方法称为（）
A.
多级抽样
B.
整群抽样
C.
分层抽样
D.
系统抽样
E.
简单抽样
【单选题】听力原文：W: Hello Jack! You don't look well, and what seems to be the problem? M: Actually it is big suffering for me. Every year almost this time, I must come down with something. W: What are symptoms do...
A.
Staying long outside.
B.
Working overtired.
C.
Working with patients.
D.
Wearing few clothes.
【判断题】The young man says while he opens the suitcase. 在这句话中,opens the suitcase指的是保存好票卡。
A.
正确
B.
错误
【判断题】The young man says while he opens the suitcase. 在这句话中,opens the suitcase指的是在你的手提箱中。
A.
正确
B.
错误
【单选题】He opens the door for her and lets her precede him through it.
A.
went before
B.
proceed
C.
passed through
D.
attributed to
【单选题】听力原文：W: Why don't you get a good job for a change? M: But I like my job. W: Look, digging gardens is not a job for a university graduate. M: But the money's not bad and there's, plenty of fresh air. W...
A.
Doctor.
B.
Gardener.
C.
Accountancy.
D.
Teaching.
【单选题】He opens the shipment, only to find that the products were poor quality.
A.
excitedly
B.
excited
C.
exciting
D.
excite
相关题目：
【判断题】The young man says while he opens the suitcase. 在这句话中,opens the suitcase指的是在你的手提箱中。
A.
正确
B.
错误