因食用______的差异，冷菜的调味料用量一般比热菜的要大一些。
A．温度
B．需要
C．习惯
D．先后
参考答案：A
I used to be shy. I couldn't _____. [ ]
A. alone
B. speak in front of a large group
C. say anything
D. try
我国对外开放只对美国、日本、英国、法国等发达国家开放。[ ]
