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【多选题】
弹法测强碳化深度测试,以下表述正确的是()A.
碳化深度测点数不应少于抽检数量的30%
B.
开凿测试用清水将粉尘清洗干净,在涂抹酚酞酒精试剂测量碳化深度
C.
当某个测区碳化深度的极差大于2mm时,应对该构件的每个回弹测区分部测量碳化深度
D.
已碳化与未碳化混凝土交界面到混凝土表面的垂直距离即为碳化深度
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【简答题】切削塑性较大的金属材料时形成（）切屑，切削脆性材料时形成（）切屑。
【单选题】Take your bank card with you when on a business trip，_________ can save you a lot of troubles．
A.
where
B.
what
C.
which
D.
as
【单选题】How can you present your business card?
A.
Use both hands when presenting business cards.
B.
Hold each side with your thumbs and index finger.
C.
Make it easy for the recipient to read the card.
D.
All of the three.
【单选题】The business card can date back to ______.
A.
the Ming Dynasty
B.
the Han Dynasty
C.
the Tang Dynasty
D.
the Qing Dynasty
【判断题】When offering your business card, you can say ' Here is my business card'.
A.
正确
B.
错误
【单选题】Passage Three You can use your Business Telecard International at any card phone in the UK. Here is some information about making international phone calls. You can now phone almost any country in the...
A.
Direct dial.
B.
Through the operator.
C.
Reverse charge call.
D.
Outside office hours.
【单选题】Where can we put the business card when receiving it?
A.
business card case
B.
wallet
C.
bag
D.
pocket
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