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【单选题】
新生儿生后感染性肺炎最常见的病毒是（）A.
埃可病毒
B.
柯萨奇病毒
C.
呼吸道合胞病毒
D.
巨细胞病毒
E.
流感病毒
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举一反三
【单选题】The ______ estimate of gains in gross national product suggested a fast recovery from economic recession.
A.
introductory
B.
possible
C.
primary
D.
preliminary
【单选题】The knowledge one gains by traveling in a foreign country is often______.
A.
from second-hand information
B.
gathered from other sources than from its inhabitants
C.
gained from the arguments about the country
D.
different from what one had before the travel
【简答题】Who often gains financially from tourism in rural environments?
【单选题】The capital intended to broaden the export base and ______ efficiency gains from international trade was channeled in stead of uneconomic import substitution.
A.
secure
B.
extend
C.
defend
D.
possess
【单选题】The gains from exchange with respect to the gains from specialization are always:
A.
a. greater
B.
b. smaller
C.
c. equal
D.
d. we cannot say without additional information
【单选题】A car accelerates from rest. It gains a certain amount of kinetic energy and Earth
A.
gains more kinetic energy.
B.
gains the same amount of kinetic energy.
C.
gains less kinetic energy.
D.
loses kinetic energy as the car gains it.
【简答题】贸易所得(gains from trade)
【单选题】America reaped great gains from Iraq war despite the much pain from both sides.
A.
Y
B.
N
C.
NG
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