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【单选题】
关系数据模型使用的数据结构是A.
二维表
B.
层级结构
C.
二叉树
D.
网状结构
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】After getting the loan what kinds of things could you negotiate?
【单选题】What kinds of things can families do together online?
A.
look at websites
B.
check email
C.
write blogs
【简答题】What kinds of things does she have to do?
【多选题】What kinds of things were the people talking about?
A.
$750.000returned
B.
owner thanked with phone call
C.
she'd go shopping
D.
she could go to jail
【单选题】What kinds of things have activists done to protect research animals?
A.
Set them free.
B.
Damage the labs.
C.
Sent threatening letters.
D.
All of the above.
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