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【简答题】
慢性盆腔炎常见的症状是（）。|生殖器结核常见的症状是（）。 A. 下腹部坠胀疼痛，无发热或低热，腰骶部酸痛 B. 超检查囊肿消失，盆腔有少量积液 C. 腹痛由脐开始，后转移至右下腹麦氏点 D. 不孕，消瘦，输卵管碘油造影呈串珠状 E. 卵巢囊肿病史，运动后突发一侧下腹痛，
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【单选题】In what ways human beings are different from other animals?
A.
Human beings are concerned with their origins.
B.
Human beings can think and value.
C.
Human beings can distinguish good from evil.
D.
Human beings have evolved over long time.
【单选题】Human and Culture Human beings are animals. We breathe, eat and digest, and reproduce the same life processes common to all animals. In a biological laboratory, rats, monkeys, and humans seem very muc...
A.
On
B.
With
C.
For
D.
By
【简答题】计算机A与计算机B之间的网络连接的传输速率是 1kbps，计算机A要传输一个大小为 4K字节的文件，每个分组的大小为 100个字节，其中20个字节为分组头部信息(存储发送地址等)，假定发送两个分组之间不需要等待，那么，计算机 A需要_______将该文件全部发送出去。 (A) 50秒 (B) 40秒 (C) 32秒 (D) 4秒
【单选题】Why are human beings not as sensitive to the changes of weather as animals?
A.
Because human beings don’t depend on their senses to learn about weather as much as animals do.
B.
Because human beings are close to nature.
C.
Because human beings depend too much on warnings from weather forecasting.
D.
Because the senses of human beings are not as useful as that of animals.
【单选题】What's the difference between human beings and other animals when shedding tears?
A.
Human beings can control their tears shedding much better than animals.
B.
Only human beings respond to emotions by shedding tears.
C.
Only human beings shed tears to get rid of irritating stuff in their eyes.
D.
The animals' tears are the response to physical or chemical stimulation.
【单选题】Monopolistic competition is defined as a type of market structure where
A.
many firms produce the good.
B.
firms produce a homogeneous good.
C.
there are barriers to entry.
D.
firms can earn positive profit in the long run.
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