It didn’t take long for them to ______ the cheat，who pretended to be an expert in this field.[ ]

Several hours later, with the help of the police, the students managed to escape from the dangerous situation, ______.

We Chinese eat with chopsticks ______ most westerners eat with knives and forks.

It is widely ______that smoking can causecancer.

下列选项中的诗句填入李商隐的《无题》一诗画横线处，衔接最恰当的一项是( )飒飒东风细雨来，芙蓉塘外有轻雷。 ，玉虎牵丝汲井回。贾氏窥帘韩掾少，宓 妃留枕魏王才。春心莫共花争发，一寸相思一寸灰！