皮皮学,免费搜题
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【单选题】
个人卫生训练主要包括( )
A.
洗漱
B.
洗衣
C.
做饭
D.
购物
E.
以上都 不包括
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【简答题】There is also a network of dirt airstrips, which was fortunate for me, as I had no time for the two-and-a-half week trek to my destination.
【单选题】The senior partner, Oliver Lambert, studied the resume for the hundredth time and again found nothing he disliked about Mitchell Y. McDeere, at least not on paper. He had the brains, the ambition, the...
A.
Marriage.
B.
Background.
C.
Relevant degree.
D.
Male.
【单选题】已知函数y=cos2xsinx,则函数的奇偶性是
A.
奇函数
B.
偶函数
C.
非奇非偶函数
D.
无法判定
【单选题】函数y=xsinx在[-π,π]上的图象是(  )
A.
B.
C.
【单选题】下列关于氟哌利多的药理作用的描述错误的是()
A.
可阻断多巴胺受体、β-肾上腺素受体、胆碱受体
B.
具有中枢抑制作用,但不能产生遗忘,也无抗惊厥作用
C.
一般剂量时对心血管影响较轻微,但对伴有低血容量,动脉硬化以及高龄病人,仍可导致血压下降
D.
不抑制呼吸中枢,可加强镇痛药的呼吸抑制作用
E.
可预防术后恶心、呕吐
【单选题】It seems that the cold winter ______.
A.
increases the ability to think
B.
is the best time for thinking
C.
is better for thinking than is very warm weather
D.
decreases the ability to think
【单选题】下列说法中,正确说法的序号是 ( ) 1y=sinx·cosx 是奇函数; 2y=tanx 是奇函数; 3y=xsinx 是偶函数.
A.
①②
B.
②③
C.
①③
D.
①②③
【简答题】A.The woman calls to change the time of the appointment. B.The mans appointment for annual checkup is today. C.The man doesnt want to see Dr. Grey tomorrow. D.The man remembered the wrong time for ann...
【判断题】函数 f(x)=xsinx是偶函数 , 其图形关于 y轴对称 .
A.
正确
B.
错误
【多选题】以下选项中属于清洁能源技术的是()。
A.
大规模风电调度关键技术
B.
大规模光伏发电并网运行技术
C.
储能系统运行技术
D.
特高压杆塔实验技术
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