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【单选题】
如果将IP地址174.234.58.239的主机地址前十位用于子网，那么该IP地址对应的子网掩码是(26)。A.
255.255.192.0
B.
255.255.224.0
C.
255.255.255.192
D.
255.255.255.224
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【简答题】左心房及肺动脉扩张时，心浊音界呈（）形，常见于（），故又称为（）。
【单选题】—_________ cups of yogurt do you need? —Two cups, thank you.
A.
How many
B.
How much
C.
How
【单选题】Great customer service makes a customer more likely to become a returning loyal client .
A.
忠实的回头客
B.
归还财物的诚实客人
【单选题】You can never imagine what great trouble I have had ______ the customer to withdraw a claim.
A.
persuade
B.
to persuade
C.
persuading
D.
persuaded
【判断题】Great customer service should prevent a repeat contact from the customer on the same topic.
A.
正确
B.
错误
【单选题】—_____ yogurt do you need? — Two teaspoons. [ ]
A.
How many
B.
How much
C.
How often
D.
How long
【单选题】The credit card company's customer service line can be of great help if______.
A.
you want to ask for more money
B.
you want to take a note
C.
you want another card
D.
the credit card is stolen
【简答题】女性,37岁。8年前出现体力劳动后胸闷,休息后好转,在当地医院检查有“心脏杂音”,未进一步检查,亦未治疗。5年前自觉体力明显下降,以后常在感冒后诱发胸闷,偶有咳痰带血丝。3年前开始出现下肢水肿,进食后腹胀 、纳差,服用“地高辛”及“利尿剂”(具体剂量不详)症状有所好转。近一周来上述症状加重,夜间不能平卧。10年前有“关节炎”史。 体格检查:体温37°C ,脉搏96/min,呼吸25/min,血压1...
【单选题】A customer feedback campaign conducted last year with great success and ______ this year with equally positive results is providing our marketing staff with invaluable data.
A.
yet
B.
prior
C.
seldom
D.
again
【单选题】Thank you for sending us ______ fresh vegetables of many kinds. You have done us _______ great service.
A.
不填; a
B.
the; a
C.
不填; 不填
D.
the; 不填
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