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【单选题】
The purpose of this passage is ______.A.
to show the best time for foreign language learning
B.
to describe adults and children
C.
to prove children's advantages
D.
to advice people's learning foreign language
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【简答题】操作系统、各种程序设计语言的处理程序、数据库管理系统、诊断程序以及系统服务程序等都是【 】。
【单选题】I returned to Abuja, the capital of Nigeria, after college graduation. I had been there before my mother became a minister. Two weeks later, I told my mother I was bored. She said, 'Here're the car ke...
A.
Encouraged
B.
Disappointed
C.
Delighted
D.
Confused
【单选题】This is the first time I __________ to the capital to attend the celebration ceremony.
A.
came
B.
come
C.
have come
D.
had come
【简答题】系统软件泛指能为 和 提供方便 ,给应 和 提供支持的一类软件。例如操作系统、程序设计语言处理系统、 数据库管理等等。
【单选题】Through the customs at the capital airport, I had to pay _____ on the camera I had bought.A．tax
A.
119. Through the customs at the capital airport, I had to pay _____ on the camera I had bought. A．taxes
B.
duty
C.
toll
D.
Custom
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