常用危险化学品标志:英语选择题
来源:百度文库 编辑:查人人中国名人网 时间:2024/10/05 07:31:24
He had to reward himself occaionally . he had to reward himself _
a again and again
b now and again
c once again
d over and over again
a again and again
b now and again
c once again
d over and over again
选B
occasionally的意思是“偶发地,时不时地发生”
A选项是“再在地,反复地”
B选项是“不时,有时”
C选项是“再一次”
D选项是“一再地”
答案很明显
选b 不时的 now and again , every now and then
b
b
B 时不时的
B