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【单选题】
7-22、Leo discovered that in Australia, recent technological developments...A.
are producing less healthy types of instant coffee.
B.
are reducing the demand for instant coffee.
C.
are improving the quality of instant coffee.
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举一反三
【简答题】填空：After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death toll(死亡人数) could have been much worse. More than 60 people died in t...
【单选题】两根细长杆,直径、约束均相同,但材料不同,且它们的弹性模量之比为 E 1 : E 2 =2 ,则两杆临界应力的关系为:
A.
( σ cr ) 1 =( σ cr ) 2
B.
( σ cr ) 1 =2( σ cr ) 2
C.
( σ cr ) 1 =( σ cr ) 2 /2
D.
( σ cr ) 1 =3( σ cr ) 2
【简答题】对客船,当船长自50m至小于61m时,至少应自( )或尽可能接近该处之间设置双层底
【简答题】Passage Three After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had news to report: The damage and death toll could have been much worse. More than 60 people died in t...
【单选题】After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: the damage and death toll could have been much worse. More than 60 people died in this earth...
A.
new computers had been installed in the buildings
B.
it occurred in the residential areas rather than on the highways
C.
large numbers of Los Angeles residents had gone for a holiday
D.
improvements had been made in the construction of buildings and highways
【单选题】After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: the damage and death toll could have been much worse. More than 60 people died in this earth...
A.
new computers had been installed in the buildings
B.
it occurred in the residential areas rather than on the highways
C.
large numbers of Los Angeles residents had gone for a holiday
D.
improvements had been made in the construction of buildings and highways
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