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【单选题】
胃痛日久,痛如针刺,痛有定处,疼痛拒按,痛时持久,食后加剧,入夜尤甚,或见呕血、黑便,舌质紫黯或有瘀斑,脉涩。其首选A.
良附丸加减
B.
丸加减
C.
柴胡疏肝散加减
D.
丹栀逍遥散或化肝煎加减
E.
失笑散合丹参饮加减
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举一反三
【单选题】若幂函数f（x）的图象过点 (3， 1 3 ) ，则f（x）的解析式（ ）
A.
f（x）=x -1
B.
f（x）=3x -2
C.
f(x)= x 9
D.
f(x)= x 2 27
【简答题】Life in the 21 st century is different from that in the 20 th century because there are many changes in the new century.What will our life be like in 20 years?Maybe we will have robots at home. Here i...
【单选题】若函数f（x）为奇函数，且当x＞0时，f（x）=2x-3，则当x＜0时，f（x）=（ ）
A.
f（x）=-2x+3
B.
f（x）=-3x+2
C.
f（x）=2x+3
D.
f（x）=3x+2
【简答题】完形填空。 We are now living in the 21st century. Is your classroom living in the 21st centuiy, too? Tony is a student in Grade 8 at an American middle school. He was surprised when he saw his modern 1 on ...
【简答题】阅读理解。 Life in the 21st century will be different from life in the 20th century, because many changes will take place in the new century. But what will the changes be? The population is growing fast. T...
【简答题】请听写出下列正确化学用语符号。
【单选题】若函数f(x)满足f(3x+2)=9x+8，则f(x)的解析式是 [ ]
A.
f(x)=9x+8
B.
f(x)=3x+2
C.
f(x)=-3x-4
D.
f(x)=3x+2或f(x)=-3x-4
【单选题】若∫f(x)dx=x 3 e 2x +C,则f(x)=( )．
A.
6x 2 e x
B.
3x 2 e 2x
C.
2x 3 e x
D.
x 2 e 2x (3+2x)
【简答题】阅读理解。 Life in the 21st century will be different from life in the 20th century, because many changes will take place in the new century. But what will the changes be? The population is growing fast. T...
【多选题】梁的横截面上正应力的分布规律包括:
A.
上、下边缘的点应力最大
B.
中性轴上为零
C.
正应力的大小与到中性轴的距离成正比
D.
正应力的分布规律与各点的变形规律不一样
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