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【单选题】
听力原文:W: Hi, Jim. I haven't seen you for a few weeks. M: Oh, hi, Mary. (9)I have been studying a lot for my final exam. W: Well, this semester is about over now. M: Yeah. (8)My brother is coming for a visit this summer and we'd like to see some of the country, but traveling is so expensive. W: Have you thought about camping? M: Camping? I've never done that. W: I think you'll really like it. (10)you can rent the equipment you need. M: Is it cheap? W: Yeah, much cheaper than buying or staying at the hotel. M: Good idea. Here is my bus. I'll talk to you about this again and get all the details. (8)
A.
To travel with his friends.
B.
To travel with his brother.
C.
To go to see his brother.
D.
To work as a tour guide.
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皮皮学刷刷变学霸
举一反三
【简答题】轴的设计步骤有哪些?
【判断题】企业成功的秘诀中艰苦奋斗所占比例最大。( )
A.
正确
B.
错误
【简答题】将下图电压源等效变换为电流源,1为 A ,2为 Ω ,电流源箭头方向向 。
【单选题】将左图中的电压源等效变换为右图的电流源,则电流 方向 ,大小为 A;电阻R的值为
A.
向上,2;2
B.
向上,2;1
C.
向下,2;2
D.
向下,2;1
【简答题】将下图电压源等效变换为电流源,1为 A ,2为 Ω ,电流源箭头方向向 。
【单选题】正常胃体部黏膜皱襞宽度一般不超过
A.
3mm
B.
4mm
C.
5mm
D.
6mm
E.
8mm
【简答题】Heating the alloy to 55 to 85°C above the A 3 or A cm and holding for sufficient time so that the alloy completely transforms to austenite, followed by cooling.
【单选题】通过渗透工艺提高渗透性的最常用方法是
A.
液体或气体种类
B.
温度差
C.
压力差
D.
渗透时间
【单选题】对现有种质资源直接利用的基本途径是
A.
A杂交
B.
B诱变
C.
C资源调查
D.
D引种
【单选题】正常胃体部黏膜皱襞宽度一般不超过
A.
5mm
B.
4mm
C.
3mm
D.
6mm