问题

_____ ashes from the volcano in Icelandhave caused problems for air traffic and business, scientists don’t think itwill have long-term effects on human health.

A:my notallowing
B:As
C:While
D:Because

正确答案是：

同类题型

Jim is very sick these days. He coughs so badly.— In my opinion, he really ________ listen to the doctor and cut down on smoking.

you going there with us— If Mary wants to go, __________.

The president spoke at the business meeting for nearly an hour without ___ his notes.

My brother never his bedroom.

依次填入下面一段文字横线处的语句，衔接最恰当的一组是来到村南，眼前展现出一条碧绿的南北大川，顺川向南远望，。，。，。。①川道中间是湍急流淌的河水，河水清澈见底②川道东西两边山坡沟岔树木茂密，青翠欲滴，郁郁葱葱③雨后艳阳高照，树木随高低起伏的山脊起伏酷似汹涌的绿涛④水流冲击顽石，发出“哗啦哗啦”的响声⑤川尽头是一座雄伟高大的山峰，那就是临城县一千四百多米高的三峰山⑥河水两边的层层梯田是村民赖以生存的耕地，田地里玉米穗昂首吐须，笑迎金秋