webbed

2) C为正确答案。3) A错。during是介词,它后面的关系代词只能用which(指人除外),which在此处指代“the period”,定语从句为“during which people…iron”,修饰主句的主语“the period”。4) C为正确答案。5) C为正确答案。6) B错。改用who,which只能指物,指人时应用who,本句的定语从句修饰the person,...

2.用抹布擦干餐具和水果:在一般家庭,抹布是多用途的,既用其擦桌子又用其抹餐具。如不经常消毒、清洗或晾晒,潮湿而富有营养的抹布适合多种病原微生物的繁殖。与其用抹布擦干餐具、水果,莫如不擦更卫生。 3.用餐洗净清洗餐具、果蔬:餐洗净可用来洗涤餐具、蔬菜和水果,以去除餐具上面的油污和果蔬上残留的农药,已...

big ears.My long nose is called a trunk.I am an...(elephant)8、I live in the ocean.I swim on my side.I love to hide in the sand.My eyes are both on the same side of my head.I am a... (flounder)9、My skin is green and slippery.I have four legs and webbed ...