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【单选题】
某学生想查找几个关于博鳌经济论坛的PPT,在百度中可以使用哪个命令来实现
A.
link
B.
intitle
C.
filetype
D.
site
拍照语音搜题,微信中搜索"皮皮学"使用
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举一反三
【单选题】Why will it be fun having a baby in the woman's family?
A.
Because they are all excited about the baby.
B.
Because everyone wants to take care of the baby.
C.
Because they are all adults in the family now.
D.
Because the baby will bring them a lot of laughter.
【判断题】混合特征创建成功的条件之一为节点数相同。
A.
正确
B.
错误
【简答题】影响干涉条纹可见度的因素有相干光束的振幅比、(    )和(    )。当两列相干光波的振幅比是1:2,干涉条纹的可见度为(    )。
【单选题】The family when they are having dinner together on the Spring Festival Eve.
A.
give each other the best wishes
B.
buy each other presents
C.
sing, dance and play cards
【单选题】My family is having a hard time watching the film with your children ____all over the theater.
A.
run
B.
running
C.
ran
D.
runs
【单选题】查询出EMP表中COMM字段为空的记录( )
A.
select * from emp where comm='';
B.
select * from emp where comm=null;
C.
select * from emp where nvl(comm)=0;
D.
select * from emp where comm is null;
【简答题】食品中脂肪的存在形式有 和结合态两种。
【多选题】影响干涉条纹对比度的主要因素是
A.
两相干光束的振幅比
B.
光源的大小
C.
光源的单色性
D.
光源的强度
【单选题】食品中脂肪的存在形式有哪些( )
A.
游离态
B.
结合态
C.
游离态和结合态
【简答题】食品有脂肪的存在形式有__________和___________。
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