According to the first paragraph, which of the following is NOT true（）
A. Scientists usually observed and studied chimps in laboratories and zoos.
B. Some scientists went to study the chimps in the far away areas of africa.
C. Scientists spent quite a long period of time observing chimps in the wild.
D. Scientists spent rather a short period of time studying chimps in the wild.
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发颐初期内治宜
A. 托毒透脓
B. 清营解毒
C. 清热解毒
D. 化痰泄热
E. 养阴生津
From the first paragraph we know the average person thinks ______. A) the digital age is far away C) digital age is terrifying B) digital is too complicated for him D) both A and B
A. From the first paragraph we know the average person thinks ______.
B. the digital age is far away
C. digital is too complicated for him
D. digital age is terrifying
E. both A and B
皮肤浅裹起丘疹、疱疹，破后溃烂的疾病称为
A. 疮
B. 溃疡
C. 疥
D. 疡
E. 癣
选择100例肺癌患者和200例对照进行吸烟与肺癌关系的病例对照研究，调查发现100例患者中有50人吸烟， 200例对照中也有50人吸烟。估计肺癌与吸烟的相对危险度是
A. 1
B. 2
C. 3
D. 4
E. 不能从所给资料中求出
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