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【简答题】
()是通信技术和计算机技术相结合的产物。
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皮皮学刷刷变学霸
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【单选题】China is the world’s most populous country with a population of ________, which makes up approximately a quarter of the world population.
A.
1.3 billions
B.
1.3 billion
C.
billions
D.
billions of
【单选题】China is the world’s most _______ country with a population of 1.1 billion, which makes up approximately a quarter of the world population.
A.
popular
B.
populous
C.
polluted
D.
reproductive
【单选题】China is the world’s most populous country with a populaion of ____ , which makes up approximately a quarter of the world population.
A.
1.3 billions
B.
1.3 billion
C.
billions
D.
billion of
【简答题】系统中的三种典型技术分别是 ()、身份( )和加密技术
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