1．A cold, fever and headache are the usual symptoms (症状) of a flu.
2．The police put up barriers (障碍物) to control the crowd who were excited.
3．Remember to cover the burned area with a dry and clean bandage (绷带)．
4．These clothes are not dry yet; they are still damp (潮湿的)．
5．Even though it was a complex (复杂的) problem, we had to settle it quickly.
6．Because of the bomb explosion, a number of schools have temporarily (temporary) closed.
7．Yesterday, Robert dropped out of the match after he got a serious ankle injury (injure)．
8．There were thousands of people bleeding (blood) and lying in the hospital after the powerful earthquake.
9．A lot of poisonous (poison) waste water comes from that chemical factory.
10．The Ross Sea is also home to a wide variety (vary) of deepwater species.
