选择较小的射源尺寸df,或者增大焦距值F,都可以使照相Ug值减小。
参考答案:对
—What about the football match last night?
—______.I might as well have stayed at home and had a good rest.
A.It couldn’t have been any better
B.It couldn’t have been any worse
C.It was the best one
D.There was no better one
结合“资料”,回答下列问题。
参考“资料1”和“资料5”中有关过度消费的现象:①用一句话对“过度消费”作名词解释;②概括其特点;③指出其危害性。
要求:分析条理清楚,观点明确,语言流畅,简明扼要,字数不超过250字。