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【单选题】

Which of the following statements on showing respect for others is NOT true __.

A.
In the workplace, showing respect for others may include listening without interrupting when others are speaking.
B.
In the workplace, showing respect for others may include not checking messages during a meeting.
C.
In the workplace, showing respect for others may include contributing to a conversation or meeting whenever you have an idea.
D.
In the workplace, showing respect for others may include double checking emails, text messages or instant messages before sending them.
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参考解析:
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【单选题】Which of the following statements on business phone calls is NOT true? __

A.
Before you pick up the phone, you'd better take some time to reflect on the purpose and topic of the call.
B.
When answering a business phone call, you'd better to pick up the phone immediately when it rings.
C.
If it is necessary to transfer a call, inform the person before doing so, to show respect.
D.
To be efficient on a phone, you'd better go into the point of your calling after a brief greeting.

【单选题】To ensure a successful business trip, use __ to stay in control of every detail.

A.
a secured international phone plan
B.
a choice of best accommodations
C.
a detailed plan of action
D.
the company’s travel policy.

【单选题】During a business trip, it’s important to __ and keep all of your receipts.

A.
use a company card to cover travel expenses
B.
track your purchases
C.
pay for item yourself
D.
create a backup plan

【单选题】下面关于时间和日期函数的说法错误的是( )。

A.
time()函数用于获取当前的UNIX时间戳
B.
date()函数将日期转换成UNIX时间戳
C.
mktime()和strtotime()函数都可以将给定的日期时间转换成UNIX时间戳
D.
microtime()函数可以获取到当前时间的微秒数

【单选题】麻黄碱平喘的分子机制是( )

A.
激活β1肾上腺素能受体,升高胞内cAMP水平,激活PKA
B.
激活β1肾上腺素能受体,降低胞内cAMP水平,激活PKA
C.
激活β2肾上腺素能受体,升高胞内cAMP水平,激活PKA
D.
激活β2肾上腺素能受体,降低胞内cAMP水平,激活PKA

【单选题】下面关于字符串函数的说法正确的是( )。

A.
str_replace()可以生成重复字符串
B.
substr()可以截取字符串 

【单选题】UNIX时间戳是表示时间的一种方式,而UNIX纪元指的是( )

A.
零时零点零分
B.
纪念UNIX时间戳的统一时间
C.
1970年1月1日零点零分零秒
D.
以上都不对