简述报纸印刷质量主要体.
参考答案:
1)易读性.
2)真实性.
3)美观性.
—What do you think of the conference?
—As far as I am concerned, that conference________ successfully last night.
A.went in
B.went down
C.went off
D.went up
在标准状态下,甲烷气体的导热系数为()。
A、0.109kJ/(m²h²K)
B、0.050kJ/(m²h²K)
C、0.046kJ/(m²h²K)
D、0.057kJ/(m²h²K)