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【单选题】
下列数字中,有效数字位数为四位的是A.
[H + ]=0.0003mol/L
B.
pH=10.42
C.
CaO%=19.96%
D.
4000
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【单选题】—What’s your speech , Dr．Smith ? —Tomorrow you will get it．
A.
by
B.
of
C.
from
D.
on
【单选题】患者因长期低热,原因不明而入院治疗,检查中发现该患者为肺结核。护士得知后在走廊内交谈该患者的病情,被其他患者听到,纷纷离开病室。违背了患者的
A.
享有自主权
B.
享有保密和隐私权
C.
享有基本的医疗权
D.
享有参与治疗权
E.
享有尊严被保护的权利
【简答题】某商店出售的电灯泡由甲乙两厂生产,其中甲厂的产品占 60% ,乙厂的产品占 40%. 已知甲厂产品的次品率为 4% ,已厂产品的次品率 5%. 一位顾客随机地取出一个灯泡, (1) 这个灯泡是合格品的概率为__________ . (2) 如果发现这只灯泡是次品,其来源于甲厂的概率为_________ .
【单选题】What’s special about streets named after Dr. King in the U.S. and Puerto Rico?
A.
People named the streets after Dr. King only in memory of his assassination.
B.
The streets stand for all the achievements that Dr. King had made in his life.
C.
Dr. King’s dreams and what has yet to be achieved symbolized in the streets bearing his name.
D.
Civil rights activists have urged cities to name streets after the great leader.
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