4．Stephen Hawking got more than 380，000 followers in two hours ______first message on Weibo．（ ）
| A． | before | B． | since | C． | after | D． | until |
3．If we just think about _____，the boat of friendship will be overturned anytime．（ ）
| A． | myself | B． | himself | C． | yourself | D． | ourselves |
2．"重要的事情说三遍．"can be translated into"Important things must be_____and again and again．"．（ ）
| A． | spoken | B． | repeated | C． | described | D． | introduced |
1．-Will you stay for _________ supper with us？
-Sure，I'd love to．Home cooking is just what I like．（ ）
-Sure，I'd love to．Home cooking is just what I like．（ ）
| A． | a | B． | an | C． | the | D． | / |
20．
51．Schools should do something to help students protectthemselves．
52．If a river ispolluted，farmers can't use the water for their crops．
53．The Internet is morepowerful than books．It is influencing our lives alot．
54．The students who are good at writing can always use wordsproperly．
55．Children usually attend a primary school at the age ofsix in China．
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| pollute proper six powerful they |
52．If a river ispolluted，farmers can't use the water for their crops．
53．The Internet is morepowerful than books．It is influencing our lives alot．
54．The students who are good at writing can always use wordsproperly．
55．Children usually attend a primary school at the age ofsix in China．