含有天麻素的药物是()
A.天麻
B.蜈蚣
C.僵蚕
D.钩藤
E.牛黄
参考答案:A
In the third and fourth columns of your monthly budget, list ______ you expect to spend your money on and the amount.
A.what
B.how much
C.how
D.which
炉管表面温度的控制指标是根据()来制定的。
A、加热炉的处理量
B、原料渣油的性质
C、炉管的材质
D、炉出口温度的指标