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【简答题】
根据句意及首字母提示写单词。 1. My bike b______ down, so I had to walk to school. 2. His sister is going to m______ a Frenchman next week. 3. Please take the e_ bottle away and bring me a full one. 4. She spoke English so well that I never r ______ she was a German. 5. I don't know why she didn't s ______up at his party. 6. Mr Wang a ______that we'll have a picnic tomorrow. 7. He gave me a r______ when he saw me walking alone. 8. Lucy is so e _ now that she isn't going to do anything. 9. Only Tony didn't f _ __ from that house while the earthquake took place. 10. The door has been l _ . Where is the key?
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【单选题】如图所示是光在光纤中的传播示意图,图中n0是空气折射率,n1是光纤纤芯折射率,n2是光纤涂覆层折射率,根据图中所示信息,( )表示光纤的受光角。
A.
0
B.
1
C.
2
D.
1
【单选题】I’m sorry I didn’t hear what you said. I ________ the picture.
A.
am looking at
B.
looked at
C.
has looked at
D.
was looking at
【单选题】患儿8个月，一天前突然发热、咳嗽，随后呕吐三次，大便稀、黄色水样10余次，黏液少，无腥臭。体检，39℃，精神萎靡，前囟及眼窝凹陷，啼哭少泪，咽稍充血，心肺(-) .腹软，皮肢弹性略差，大便检查考虑引起腹泻的病原体最可能是( )。
A.
轮状病毒
B.
副大肠杆菌
C.
白色念珠菌
D.
金黄色葡萄球菌
E.
致病性大肠杆菌
【单选题】患儿8个月，11月中旬入院。一天前突然发热、咳嗽，随后呕吐三次，大便稀、黄色水样10余次，粘液少，无腥臭。体检T39℃，神萎，前囟及眼窝凹陷，哭泪少，咽稍充血，心肺（－），腹软，皮肢弹性略差，大便检查（－）。考虑引起腹泻的病原体最可能是
A.
轮状病毒
B.
副大肠杆菌
C.
白色念珠菌
D.
金黄色葡萄球菌
E.
致病性大肠杆菌
【单选题】咳嗽,随后呕吐三次,大便稀、黄色水样10余次,粘液少,无腥臭。体检T39°C,神萎,前囟及眼窝凹陷,哭泪少,咽稍充血,心肺(-),腹软,皮肢弹性略差,大便检查(-)。考虑引起腹泻的病原体最可能是
A.
轮状病毒
B.
副大肠杆菌
C.
白色念珠菌
D.
金黄色葡萄球菌
E.
致病性大肠杆菌
【多选题】材料是在不同外界条件下使用的,如在载荷、温度、介质、电磁场等作用下将表现出不同的行为,此即材料的使用性能,包括 、 和 。
A.
力学性能
B.
物理性能
C.
化学性能
D.
机械性能
【单选题】— I’m sorry I didn’t make it to your party last night. —______, I know you’re busy these days.
A.
Of course
B.
No kidding
C.
That’s all right
D.
You are welcome
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