【简答题】核医学成像设备的基本部件包括( )、( )、( )、( )、( )、( )、( )和( )组成。
【单选题】What is Paul Lee ’ s purpose in writing this letter ?
A.
To ask about a possible discount for a large purchase and LAN equipment.
B.
To tell Mr. Zhang his satisfaction with their ThinkPad SL series.
C.
To inform Mr. Zhang that their company is going to build a LAN.
D.
To tell Mr. Zhang that they cannot afford its ThinkPad SL series.
【单选题】According to the email , what is NOT true about Mr. Zhang and Paul Lee?
A.
They have met each other face to face.
B.
They have talked with each other on the phone.
C.
They have discussed about ThinkPad SL notebooks.
D.
They have signed a contract for the sale of ThinkPad SL series.
【单选题】According to the letter , what is NOT true about Mr. Zhang and Paul Lee?
A.
They have met each other face to face.
B.
They have talked with each other on the phone.
C.
They have discussed about ThinkPad SL notebooks.
D.
They have signed a contract for the sale of ThinkPad SL series.
【简答题】关于快门的概念 拍摄这样的图片,选择什么样的快门速度? 移动拍摄.jpg 拍摄这样的效果,选择什么样的快门速度? 051144C1C.jpg