【多选题】关于大光圈的使用,下列叙述正确的是 ( )
A.
在焦距、ISO一样的情况下,拍摄相同景物,光圈越大,景深越小,虚化背景的能力越强
B.
大光圈配合长焦,有利于将远处景物拉近,景深更小
D.
拍摄花鸟或人物的特写和近景时,为了得到背景虚化的效果,通常使用较大的光圈
【简答题】Manufacturing companies spend millions of pounds trying to convince customers that their products are better than those of other companies. (superior to)
【判断题】被派遣劳动者应接受劳务派遣单位的安全生产教育和培训,不用再接受生产经营单位的安全教育和培训。
【单选题】The names and dates between parentheses ______.
A.
refer to bibliographical entries.
B.
explain who discussed what and when they discussed it.
C.
are references to what the author has read.
D.
may be described by all of the above.
E.
may be described by none of the abov
【单选题】《安全生产法》规定:生产经营单位使用被派遣劳动者的,被派遣劳动者享有()的权利,并应当履行从业人员的义务。()
【单选题】Why does the speaker give the example of a hub of a wheel surrounded by spokes?
A.
To explain how the starfish reproduces.
B.
To illustrate the shape of the starfish.
C.
To demonstrate the defense mechanisms of starfish.
D.
To show how starfish moving.
【单选题】语句x = input() 执行时,如果从键盘输入12并按回车键,则x的值为