To () potential challenges to the national interest posed by fluctuations in the inte
A.cash
B.rush
C.cush
D.cushion
A.cash
B.rush
C.cush
D.cushion
Vancouver Bring Winter Games Back to Canada in 2010
The Canadian city Vancouver beat off the challenges of South Korea's Pyeongchang and Salzburg ofAustria to win the right to stage the 2010 Winter Olympics on Wednesday.
Why are American scholars worried about education today?
A.The STEM subjects are too challenging for students to learn.
B.Some Asian countries have overtaken American in basic sciences.
C.America is lagging behind in the STEM disciplines.
D.There are not enough scholars in humanistic studies.
They are ______ the potential of the Global Management Challenge.
A.exposing
B.extending
C.exploring
D.expanding
A、end-plate potential
B、神经纤维action potential
C、神经干action potential
D、spike
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