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问题
单项选择题
既能化湿行气,又能理气安胎的药物是( )
A.豆蔻
B.砂仁
C.草豆蔻
D.佩兰
E.藿香
答案
参考答案:
B
选择题
—I didn't know you take a bus to school.
—Oh, I _____ take a bus, but it is snowing today.
A. hardly
B. never
C. sometimes
D. usually
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填空题
若关于x的不等式x
2
+9+|x
2
-3x|≥kx在[1,5]上恒成立,则实数k的范围为______.
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