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【单选题】
关于具有弱碱性的有机物在胃肠道的吸收，不正确的是
A.
弱有机碱在胃中呈解离状态，不易吸收
B.
弱有机碱主要吸收部位在小肠
C.
小肠内酸碱度偏中性(PH6．6)，弱有机碱主要呈非离解状态
D.
在小肠中弱有机碱的脂水分配系数高，易于吸收
E.
服用小苏打可阻碍弱有机碱在小肠的吸收
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举一反三
【多选题】儒家的经典《礼记•大学》中明确提出,“修身”是( )的前提和基础
A.
齐家
B.
治国
C.
平天下
D.
坐天下
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【单选题】Which of the following is NOT a problem caused by spam?
A.
Email users are frustrated.
B.
Companies lose money.
C.
Internet chat rooms attract many users.
D.
Employees lose work time.
查看完整题目与答案
【单选题】Which one is NOT a proper manner when writing an email?
A.
Don’t neglect to say “please” and “thank you.”
B.
It cannot hurt to be formal in a business email.
C.
It’s okay to address a person with his or her first name only in a formal business email.
D.
Formal title and the recipient’s last name should be used in a formal business email.
查看完整题目与答案
【判断题】儒家的经典《礼记•大学》中明确提出,“修身”是齐家.治国.平天下的前提和基础,强调道德修养,注重道德践履。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which one is not true according to the article?
A.
Email is the primary means of internal and external communication at most companies.
B.
The subject line should clearly identify the project (including the customer, depending on the organization) and the subject matter.
C.
Not every company employs a workflow that makes sense for its business.
D.
Before sending your email, read over it for any irrelevant information.
查看完整题目与答案
【单选题】下列关于protected的说法中，正确的是（ ）A: protected修饰的方法，只能给子类使用B: protected修饰的类，类中的所有方法只能给子类使用C: 如果一个类的成员被protected修饰，那么这个成员既能被同一包下的其它类访问，也能被不同包下该类的子类访问D: 以上都不对
A.
A   B   C   D
B.
A   B   C   D
C.
A   B   C   D
D.
A   B   C   D
查看完整题目与答案
【单选题】Which is not a email application protocol?
A.
SMNP
B.
SMTP
C.
IMAP
D.
POP3
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【判断题】可燃气体进入探测室后，部分红外线的波长将被可燃气吸收从而改变频率，红外线被吸收的量与可燃气的浓度成一定关系、经过了探测室的红外线被分成对等的两部分分别进入两个滤光镜光镜，其中一个滤光镜只允许通过原始发射频率的红外线，另一个滤光镜只允许通过被可燃气改变了频率的红外线，这两部分光线分别由两个红外线探测器测量强度再进行对比即可由微处理器计算出可燃气的浓度
A.
正确
B.
错误
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【单选题】Which is NOT a way the customer is instructed to get his computer back?
A.
By telephoning technical services.
B.
By sending a letter.
C.
By stopping at the service desk.
D.
By sending an email.
查看完整题目与答案
【单选题】Which one is not a part of the heading section of an email?
A.
to
B.
from
C.
subject
D.
salutation
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相关题目：
【多选题】儒家的经典《礼记•大学》中明确提出,“修身”是( )的前提和基础
A.
齐家
B.
治国
C.
平天下
D.
坐天下
查看完整题目与答案
【单选题】Which of the following is NOT a problem caused by spam?
A.
Email users are frustrated.
B.
Companies lose money.
C.
Internet chat rooms attract many users.
D.
Employees lose work time.
查看完整题目与答案
【单选题】Which one is NOT a proper manner when writing an email?
A.
Don’t neglect to say “please” and “thank you.”
B.
It cannot hurt to be formal in a business email.
C.
It’s okay to address a person with his or her first name only in a formal business email.
D.
Formal title and the recipient’s last name should be used in a formal business email.
查看完整题目与答案
【判断题】儒家的经典《礼记•大学》中明确提出,“修身”是齐家.治国.平天下的前提和基础,强调道德修养,注重道德践履。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which one is not true according to the article?
A.
Email is the primary means of internal and external communication at most companies.
B.
The subject line should clearly identify the project (including the customer, depending on the organization) and the subject matter.
C.
Not every company employs a workflow that makes sense for its business.
D.
Before sending your email, read over it for any irrelevant information.
查看完整题目与答案
【单选题】下列关于protected的说法中，正确的是（ ）A: protected修饰的方法，只能给子类使用B: protected修饰的类，类中的所有方法只能给子类使用C: 如果一个类的成员被protected修饰，那么这个成员既能被同一包下的其它类访问，也能被不同包下该类的子类访问D: 以上都不对
A.
A   B   C   D
B.
A   B   C   D
C.
A   B   C   D
D.
A   B   C   D
查看完整题目与答案
【单选题】Which is not a email application protocol?
A.
SMNP
B.
SMTP
C.
IMAP
D.
POP3
查看完整题目与答案
【判断题】可燃气体进入探测室后，部分红外线的波长将被可燃气吸收从而改变频率，红外线被吸收的量与可燃气的浓度成一定关系、经过了探测室的红外线被分成对等的两部分分别进入两个滤光镜光镜，其中一个滤光镜只允许通过原始发射频率的红外线，另一个滤光镜只允许通过被可燃气改变了频率的红外线，这两部分光线分别由两个红外线探测器测量强度再进行对比即可由微处理器计算出可燃气的浓度
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which is NOT a way the customer is instructed to get his computer back?
A.
By telephoning technical services.
B.
By sending a letter.
C.
By stopping at the service desk.
D.
By sending an email.
查看完整题目与答案
【单选题】Which one is not a part of the heading section of an email?
A.
to
B.
from
C.
subject
D.
salutation
查看完整题目与答案