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【简答题】
常见的数据模型有( ) 模型、( )模型和( )模型三种类型。
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【简答题】根据短文内容选择最佳答案。 One day when I was 9 years old, I was lost when I went shopping with my parents. I walked and looked for my parents. I did not know what to do. When I wanted to cry, I remembered my fath...
【简答题】日语的半浊音只有一行,有5个假名,分别是 。
【单选题】I went there in 1988, and it was the only occasion when I ______ the journey in.exactly two days.
A.
must make
B.
could make
C.
must have made
D.
was able to make
【单选题】I went there in 1984, and that was the only occasion when I_______the journey in exactly two days.
A.
must make
B.
must have made
C.
was able to make
D.
could make
【简答题】光纤通信是以( )作为传输信息的载波,以光纤作为传输介质的一种通信。
【单选题】Yesterday evening when going to the cinema I frequented, I went in a wrong direction ___.
A.
somehow
B.
anyhow
C.
somewhat
D.
someway
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