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【单选题】
下列不属于数据模型的三要素的是（ ）。A.
数据定义
B.
数据结构
C.
数据操作
D.
数据的完整性约束
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【简答题】Looking for something lost PAX: I can’t find my phone. CA: When and where do you think you ( )丢失 it? PAX: I’m not sure. CA: Would you please offer us some ( )细节 about your phone?...
【单选题】Dear Cathy, I am terribly sorry I couldn't get to the club this afternoon. I would have called you, but I was hunting frantically for little Mike for almost two hours. He was out in the yard at noon a...
A.
faded
B.
vanished
C.
damaged
D.
perished
【单选题】—Do you have any idea what your former boss would say about you? —I don't know，________.
A.
so do I care
B.
so I don't care
C.
nor I don't care
D.
nor do I care
【简答题】Please discuss with your partner about qualifications that a specific job needs ,say, a teacher, a secretary, an assistant, and others. Please submit your oral report before this Saturday.
【简答题】Different people may have different favourite drinks, and the reasons for their choices may be various too. Please discuss with your group members about your favourite drink and reasons for your choic...
【简答题】Oral presentation. As we learn from the stories in this unit, those who take working holidays overseas may experience both joys and challenges. Please discuss with your group members online about the ...
【简答题】please discuss with your partner about the possible special requirements from different guests. Please match the guests with their possible needs. 请连线客人及他们点餐的特殊需求。
【单选题】If you ______ stop smoking , you can only expect to have a bad cough .
A.
won't
B.
would not
C.
do not
D.
can not
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