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【单选题】
能否正常观看教学视频?A.
能
B.
不能
C.
说不清
D.
不知道
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反馈参考答案：
举一反三
【单选题】From 1649 to 1658 England was called a Commonwealth. It was ruled by Oliver Cromwell as ______
A.
Lord Protector
B.
Lieutenant General
C.
Commander of the New Model Army
D.
President
【多选题】SQL Server中的约束包括__________、____________、___________、____________和_________-五种类型。
A.
主键约束（primary key）
B.
外键约束（foreign ke）
C.
默认约束（default）
D.
唯一约束（unique）
E.
检查约束（check）
【简答题】FTP服务端口号______。A. 21
【单选题】From 1649 to 1658 English was called a Commonwealth. It was ruled first by Oliver Cromwell as______.
A.
President
B.
Lord Protector
C.
Lieutenant General
D.
Commander of the New Model Army
【简答题】词汇 根据句意或提示,写出单词,完成句子。 1. The birthday present he sent me is very (有价值)． 2. Millie had no (选择)but to wait for the next trai n yesterday morning． 3. The little boy always (拒绝)to do so much homework eve...
【简答题】用所给词的适当形式填空。 1.He often _______(do) his homework every day. 2.She___________(read)English now. 3.They are _______(go) to Hawaii for vacation. 4.Does your father________(speak)English? 5._________( sen...
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