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3.A.gather B.spread C.carry D.bring
4.A.reason B.cause C.problem D.purpose
5.A.make B.publish C.know D.write
6.A.another B.other C.one another D.the other
7.A.However B.And
8.A.value B.ratio C.Therefore D.So C.rate D.speed
9.A.spread B.passed C.printed http://www.77cn.com.cnpleted
http://www.77cn.com.cnrm B.be informed
11.A.entertain B.encourage
12.A.on
13.A.forms B.through C.with C.to be informed http://www.77cn.com.cnrmed C.educate D.edit D.of B.existence C.contents D.purpose
B.manages to cover C.fails to cover D.succeeds 14.A.tries to cover
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15.A.source B.origin
16.A.way C.course D.finance D.success B.means C.chance
17.A.measures
18.A.somewhat B.measured C.Is measured D.was measured B.little C.much D.something
19.A.offering B.offered C.which offered D.to be offered
20.A.by B.with C.at D.about