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【单选题】
病人，男性，22岁，因“发热、食欲减退5天”入院，入院后诊断为伤寒，对该病人宜采取的隔离措施是（ ）。A.
不予隔离
B.
消化道隔离
C.
接触隔离
D.
虫媒隔离
E.
严密隔离
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【简答题】ski v.
【单选题】Rose won the first prize in this contest, and she ______ a reward for her efforts.
A.
reserved
B.
preserved
C.
conserved
D.
deserved
【单选题】下面关于开普勒第三定律的说法不正确的是()。
A.
彻底摧毁了托勒密复杂的宇宙体系,否定了哥白尼的日心说
B.
1618年,开普勒发现这第三条定律
C.
公式为:(R^3)/(T^2)=k=GM/(4π^2)(M为中心天体质量)
D.
关于行星运动的定律
【单选题】Ms. Chen is a Chinese citizen, she obtained a reward of RMB 20,000 by the chance of a raffle in a store, the amount she received was net income excluding taxes and the store paid the tax liability of ...
A.
RMB 2,800
B.
RMB 4,000
C.
RMB 5,000
D.
RMB 3,200
【单选题】Years of training has ____ a reward for Sarah. She has won a spot on the national team.
A.
concerned
B.
dismissed
C.
demonstrated
D.
yielded
【单选题】Todd finally decided to take ski lessons because _________.
A.
Jen suggested him to do so
B.
his poor ski skills might hurt himself and others badly
C.
he was laughed at by the people around
D.
the ski instructor forced him to do so
【单选题】理论和实践证明,开普勒定律不仅适用于太阳系中的天体运动,而且对一切天体(包括卫星绕行星的运动)都适用。下面对于开普勒第三定律的公式 ,下列说法正确的是( )
A.
公式只适用于轨道是椭圆的运动
B.
式中的K值，对于所有行星（或卫星）都相等
C.
式中的K值，只与中心天体有关，与绕中心天体旋转的行星（或卫星） 无关
D.
若已知月球与地球之间的距离，根据公式可求出地球与太阳之间的距离
【简答题】Years of training has y_____ (产生) a reward for Sarah. She has won a spot on the national team.
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