你知道梦的含义吗?你经常做梦吗?请仔细阅读61-64题,从所给A、B、C、D中找

题型:阅读理解

问题:

你知道梦的含义吗?你经常做梦吗?请仔细阅读61-64题,从所给A、B、C、D中找出对应的选项,阅读选项后的短文,并完成65小题。
小题1:Sam’s grandfather is badly ill in hospital.
小题2:Tom is very tired of his work. He is under too much pressure.(压力)
小题3:Alan exercises every day. He is in good health.
小题4:George’s mother is strict with him. She never lets him go out for fun.
Here are some dreams, and their meanings:(意义)
A.Flying: You want to run from everyday life.(People often feel happy after a dream about flying.)
B.Green grass: Green grass means you are healthy but brown grass means that you’re not happy.
C.Losing teeth: You’re afraid of losing someone close to you.
D.Long hair: You want to be free!
Dreams are good for us, but we should try to sleep well. You should try to relax before you go to bed. You shouldn’t watch any terrible movies or eat cheese or peppery(辣的) food!
小题5:What can you do to sleep well according to the passage?
A.Relax before going to bed.B.Eat cheese.
C.Watch some terrible movies.D.Have some food with pepper.
考点:健康环保类阅读科教类阅读人生感悟类阅读
题型:阅读理解

如图所示,质量为m的小球与穿过光滑水平板中央小孔O的轻绳相连,用力拉着绳子的一端使小球在水平板内绕O做半径为R1、角速度为ω1的匀速圆周运动,求:

(1)此时小球的速率是多大?

(2)若将绳子迅速放松,后又拉直使小球做半径为R2的圆周运动,则从放松到拉直的时间多长?

(3)小球做半径为R2的圆周运动的角速度ω2为多大?

题型:阅读理解

下列有关利尿剂的说法正确的是()

A.利尿剂应当用于所有有体液潴留证据的病人以及大多数曾有体液潴留史的病人

B.利尿剂不宜单独使用,应当与ACEI和β-受体阻滞剂联合应用

C.利尿剂缓解心力衰竭症状较其他药物迅速

D.呋塞米作用于肾小管远端,而噻嗪类和保钾利尿剂作用于Henle袢

E.利尿剂可降低死亡率

题型:阅读理解

试解释慧星伪像、边缘伪像和混响伪像。

题型:阅读理解

党的十九大报告强调,坚决防止和反对个人主义、分散主义、自由主义、本位主义、好人主义,坚决防止和反对(),坚决反对搞两面派、做两面人。

A.宗派主义

B.圈子文化

C.山头文化

D.码头文化

题型:阅读理解

由酪氨酸合成去甲肾上腺素的限速酶是()

A.多巴脱羟酶

B.单胺氧化酶

C.酪氨酸羟化酶

D.儿茶酚氧位甲基转移酶

E.多巴胺羟化酶

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