【简答题】菜子油不含( ),人体对菜子油消化率可高达( )。
【单选题】The volunteers had a bag of popcorn and a drink __________ them.
【简答题】婴幼儿把书画放在离眼睛很近的地方看也不觉得累是因为晶状体___
【判断题】婴幼儿把书画放在离眼睛很近的地方看也不觉得累是因为晶状体弹性好。
【单选题】She talks as if he()everything in the world.
【单选题】The talks had been______but much remained to be done.
【单选题】The poor old beggar looked forward to _____ by the other beggars.
A.
not playing a trick on
B.
not being played a trick on
D.
being not played a trick
【简答题】阅读下面的程序框图,运行相应的程序,当输入-3时,输出的结果为( )。
【简答题】计算机内存寄存器中一个字节(由8位组成)的内容可以用2个十六进制数字表示。左移位是一种操作,其中8位向左移动一个位置,最左边的位丢失,在最右边的位置插入0。右移的定义与此类似。 对于以下每个字节,查找左移位和右移位的结果(十六进制):(a) 3A 1、左移位的结果:( )(十六进制); 2、右移位的结果 ( )(十六进制);