下列能作助悬剂的是()。
A、磷酸盐
B、糖浆
C、枸橼酸钾
D、酒石酸钠
E、吐温80
参考答案:B
下列有关温度、内能和热量的说法中,正确的是
A.物体的温度不变,它的内能一定不变
B.物体内能增加,它一定吸收了热量
C.物体放出了热量,它的温度一定降低
D.物体温度降低,它的内能一定减少
______ in her novel that she didn’t hear what I was saying.
A.So absorbed had Nancy
B.So absorbed Nancy was
C.So absorbed was Nancy
D.So absorbed Nancy had