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【单选题】
“一个苹果让牛顿吸引了世界，一壶沸水让瓦特转动了世界，一个元素让爱迪生点燃了世界……”。该广告词中爱迪生的贡献是（）A.
研制彩色电视机
B.
改良蒸汽机
C.
研制电子计算机
D.
发明电灯
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举一反三
【单选题】Hawaii, the newest state in the United States, is a 【C1】______ of eight large islands and many small 【C2】______ in the Central Pacific Ocean, about 2,200 miles west of San Francisco. Hawaii was probab...
A.
group
B.
bunch
C.
gathering
D.
sort
【单选题】The control panel uses all the newest technology and is considered state-of-the-art. 该句中的形容词有
A.
control
B.
considered
C.
state-of-the-art
【单选题】Building Confidence The two arms of Coega, South Africa's newest port, extend into the Indian Ocean gracefully. These are built from thousands of huge, oddly-shaped, 30-ton concrete blocks. They are d...
A.
Y
B.
N
C.
NG
【简答题】不包括呼吸链和氧化磷酸化形成的高能核苷三磷酸,称作 作用。
【单选题】第五套人民币1999年版100元、50元纸币共有（）种公众防伪特征，2005年版第五套人民币100元、50元纸币共有（）种公众防伪特征。
A.
9，10
B.
9，11
C.
10，11
D.
10，10
【判断题】轨向是指钢轨头部内侧面沿钢轨方向的横向凹凸不平顺,即直线上轨道是否直, 曲线上轨道是否圆顺。直线上以 10m 弦在轨头内侧顶面下 16mm 处量取最大矢度。
A.
正确
B.
错误
【单选题】The two newest states which joined the United States are
A.
Alaska and Florida.
B.
Hawaii and Oregon.
C.
Alaska and Hawaii.
D.
California and New Mexico.
【单选题】The two newest states which joined the United States are ______.
A.
Alaska and Kentucky.
B.
Hawaii and Arizona.
C.
Alaska and Hawaii.
D.
Vermont and New Mexico.
【单选题】The two newest states which joined the United States of America are
A.
Alaska and Florida.
B.
Hawaii and Oregon.
C.
Alaska and Hawaii.
D.
California and New Mexico.
【简答题】The two newest states are _________ and ________ .
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