Global warming Period 6　Summing Up，Learning Tip and Assessment

—______！ we will be late for the picnic.
a.come on                     b.don't worry
c.take your time                 d.take it easy
7.it was not until 1999 ______ regular radio broadcast began.
a.while                 b.which
c.that                   d.since
8.can it be in the restaurant ______ we had dinner last sunday ______ you left your wallet?
a.where；where                 b.where；that
c.that；where                 d.that；that
9.—what's the matter with you?
—______ the window，my finger was cut unexpectedly.
a.cleaning                       b.to clean
c.while cleaning                  d.while i was cleaning
10.the other day，my brother drove his car down the street at ______ i thought was a dangerous speed.
a.as                   b.which
c.there                 d.what
suggested answers：
part 1　vocabulary
1.compared　2.compared　3.matters　4.quantity　5.data　6.state　7.average　8.individual　9.agreements　10.phenomena　11.consequence　12.title　13.decreased　14.electrical　15.catastrophe
part 2　useful phrases
1.during the 19th century　2.lead to　3.on the other hand　4.through the burning of fossil fuels/by burning fossil fuels　5.a great deal of/scores of　6.put up with the pollution
7.make a difference　8.on the whole　9.as much as five degrees celsius(5 ℃)　10.come about
part 3　complete the following sentences according to the texts.
1.run out　2.compared to most natural changes　3.no doubt；fierce debate over；human activity that；just a natural phenomenon　4.without；would be；cooler than it is　5.increased amount；means；causing；global temperature to go up　6.a scientist called；who；accurate measurements of　7.it is；resulting in　8.attitudes；towards this issue　9.individuals；effect on such；environmental　10.importantly；with；about　11.contribution counts