2008年3月22 日是第十个“世界水日”,今年“世界水日”的主题是“涉水卫生”。下列涉水的变化中没有化学变化的是( )
I'm sorry I ________ my exercise book at home this morning.
It doesn't matter.Don't forget ________ it here this afternoon.( )
A.left;to takeB.forgot;bringing
C.left;to bring
Can you catch what I said?
Sorry,I can understand it because you speak very quickly.( )
A.almostB.probablyC.mostlyD.hardly
Jane won the first prize in the English speech contest.
big progress she has made!She used to be weak in English.( )
A.HowB.How aC.WhatD.What a
Life is like a mirror. you smile at it,it will smile back.( )
A.UnlessB.WhenC.UntilD.Though
"Food Safety"problem is becoming ______ these days.
I think so.The government must do something to deal with it.( )
A.smaller and smallerB.worse and worse
C.better and betterD.nicer and nicer