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【单选题】
关于表面活性剂叙述正确的是
A.
阴离子型表面活性剂常作为杀菌剂与消毒剂
B.
表面活性剂的HLB值不影响乳剂的类型
C.
消泡剂是用来破坏、消除泡沫的表面活性剂,通常具有较强的亲水性
D.
吐温类表面活性剂应用广泛,如乳化剂、润湿剂、增溶剂
E.
表面活性剂都具有很大的毒性
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举一反三
【多选题】Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()
A.
Backup retention policy
B.
Default backup device type
C.
Default destinations for backups
D.
Multiple backup device types for single backup
E.
Default section size for backups
【单选题】Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two d...
A.
It contains data till the last backup
B.
It contains all data from target database until the current time
C.
It contains all data from only the committed transactions in the target database
D.
It contains all data except that which is used by the transactions in the current online redo file of target database
【单选题】A number of cases will be discussed at the meeting by the students beginners of English fail to use the language properly.
A.
which
B.
as
C.
why
D.
where
【简答题】设计一个简单的Windows应用程序,输入联系人的姓名、电话和Email,点击“添加”按钮,显示该联系人的相应信息,如图 Untitled.jpg 要求顶一个AddressBook类,包括: (1)3个私有字段表示姓名、电话和Email; (2)一个构造函数通过传入的参数对联系人信息初始化; (3)一个只读属性对姓名读取; (4)两个可读写属性对电话和Email进行读写,当用户没有输入电话或Ema...
【简答题】___ 属于顺序存取介质,___属于随机存取介质,___是相对比较新的介质。
【单选题】有胆汁反流的病人应服
A.
氢氧化铝凝胶
B.
硫糖铝
C.
胶体次枸橼酸铋
D.
甲氧氯普胺
E.
普鲁苯辛
【简答题】In phonological ysis the words fail - veil are distinguishable simply because of the two phonemes/f/ - /v/. This is an example for illustrating______.
【多选题】下列关于《砌体工程施工质量验收规范》对混凝土小型空心砌块砌体工程的规定的说法中,正确的包括( )。
A.
施工时所用的小砌块的产品龄期不应大于28d
B.
底层室内地面以下或防潮层以下的砌体,应采用强度等级不低于C20的混凝土灌实小砌块的孔洞
C.
承重墙体可以使用断裂小砌块
D.
小砌块墙体应对孔错缝搭砌,搭接长度不应小于90mm
E.
小砌块应底面朝上反砌于墙上
【判断题】只要借款人未正常还本付息,就必须将其贷款分类由正常贷款调整为其他分类。
A.
正确
B.
错误
【单选题】It is hinted that the reason that many students fail in college is that ______________.
A.
they are spoiled by their parents
B.
college education is incapable of cultivating them
C.
college education is misleading
D.
they are ruined by the corrupt society
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