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【多选题】
以下关于建筑材料采购合同内容描述正确的是( )。A.
标的物的质量应符合约定的质量标准，没有国家和部颁标准的，可按企业标准执行
B.
材料的包装物由材料的供方负责供应，供方可适当向需方收取一定费用
C.
供方代办发运的，运费由需方负担
D.
验收方式有驻厂验收、提运验收和入库验收等方式
E.
供方负责送货的，以需货戳记的日期为准
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】如要求读取大文件的中间一段内容,最方便的采用下列哪种流来操作:
A.
FileStream
B.
PipeStream
C.
RandomStream
D.
FilterStream
【单选题】—How did your interview go? —I couldn't feel ________ about it！The questions were very fair，and I seemed to find an answer for all of them.
A.
better
B.
best
C.
good
D.
well
【简答题】The students, (surprise) _____ at the way the questions were put, didn’t know the answer to them.
【单选题】真性牙周袋的定义为
A.
牙龈向冠方移动，而上皮附着无移动者
B.
深度超过2mm 的龈袋
C.
深度超过7mm 的龈袋
D.
上皮附着向根方移动，且牙槽骨有破坏
E.
牙槽骨有破坏，而无上皮附着移动
【单选题】真性牙周袋的定义为
A.
牙龈向冠方移动,而上皮附着无移动者
B.
深度超过2 的龈袋
C.
深度超过7 的龈袋
D.
上皮附着向根方移动,且牙槽骨有破坏
E.
牙槽骨有破坏,而无上皮附着移动
【单选题】The students,______at the way the questions were put, didn't know the answers to them.
A.
surprise
B.
surprising
C.
having surprised
D.
surprised
【单选题】Donald got a high grade in math because ______.
A.
he was good at math
B.
the questions were easy
C.
he copied from another boy
【简答题】A．The five questions were not well designed. B．Not all the questionnaires were returned. C．Only a small number of students were surveyed. D．Some of the answers to the questionnaire were not valid.
【单选题】The students,______at the way the questions were put, didn't know the answers to them.
A.
surprise
B.
surprising
C.
surprised
D.
being surprised
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