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【多选题】
下列立交的提法不对的是( )。A.
直通式立交
B.
简单立交
C.
互通式立交
D.
跨越式立交
E.
半定向立交
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举一反三
【单选题】In the first decade( )was welcomed to the technical world.
A.
transistor
B.
the vacuum tube
C.
television
【判断题】世界上第一台电子数字计算机ENIAC是真空管计算机。The world's first electronic digital computer, ENIAC, was a vacuum tube computer.(True or Flase)
A.
正确
B.
错误
【单选题】The first test-tube baby of China was born in Beijing on March 10, _______.
A.
1980
B.
1985
C.
1988
D.
1998
【单选题】The Art Director starts the meeting by remembering the type of monitor she used when she first started in the business. Her first display device was a CRT monitor that used a ____ ray tube.
A.
television
B.
candela
C.
cathode
D.
crystal
【简答题】花生四烯酸是______。 (A)十八碳三烯酸 (B)十八碳二烯酸 (C)二十二碳六烯酸 (D)二十碳四烯酸
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