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【多选题】
水泥混凝土路面路基的( )宜采用砂、砂砾等颗粒材料。A.
防冻垫层
B.
排水垫层
C.
防滑垫层
D.
刚性垫层
E.
半刚性垫层
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举一反三
【单选题】What is Wright’s biggest problem?
A.
Her biggest problem is a lack of money.
B.
Her biggest problem is a lack of skilled workers.
C.
Her biggest problem is a lack of time.
D.
Her biggest problem is a lack of food.
【单选题】Shanghai is one of ______ in the world.
A.
the big city
B.
the biggest city
C.
a big city
D.
the biggest cities
【单选题】Which is , the sun, the moon or the earth? [ ]
A.
big
B.
biggest
C.
the biggest
D.
bigger
【单选题】To Karen Wright, what is the biggest problem ?
A.
The biggest problem is a lack of work.
B.
The biggest problem is a lack of skilled workers.
C.
The biggest problem is a lack of CEO.
【单选题】Shanghai is one of ______ cities in the world. [ ]
A.
big
B.
bigger
C.
biggest
D.
the biggest
【单选题】What is Wright’s biggest problem?
A.
His biggest problem is a lack of money
B.
His biggest problem is a lack of skilled workers.
C.
His biggest problem is a lack of time.
D.
His biggest problem is a lack of food.
【单选题】China is the biggest _____ country, while the U.S.A is the biggest ____ country.A．developed; dev
A.
99. China is the biggest _____ country, while the U.S.A is the biggest ____ country. A．developed; developed
B.
developing; developed
C.
developing; developing
D.
developed; developing
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