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【单选题】
功善袪风湿、温经止痛,风寒湿痹寒邪偏盛者为宜的药物是:A.
狗脊
B.
川乌
C.
豨莶草
D.
威灵仙
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【简答题】Near the North Pole there are only two seasons: winter and summer. The winter nights are long. Four more than two months you can’t see the sun, even at noon. The summer days are long. For more than tw...
【单选题】At noon the sun is high in the sky. The shadow is __________
A.
long
B.
short
C.
black
【简答题】Do you know that you can use your watch as a compass ( 指南针 ) on a sunny day? Take a watch and point the hour hand in the direction of the sun. Imagine a line which runs from the center of the watch th...
【简答题】Light and shadow( 影子 ) are friends . They usually go together . We receive light every day . At the same time, we produce shadow . Light cannot shine through you . Your body stops it from passing . Th...
【单选题】A rainbow cannot be seen at noon, _____ the sun is high in the sky.
A.
which
B.
where
C.
while
D.
when
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