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【单选题】
下列物质中含有离子键和配位键的是（）。A.
Na2S
B.
NH4Cl
C.
水
D.
氢氧化钠
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【单选题】Rome's fire-fighting brigade remained until the fall of the empire in the 4th century. In the Dark Ages that followed, it was believed that fires were God's punishment of the people for the bad thing ...
A.
felt that the fire was a punishment given by God
B.
wished the brigade had arrived sooner
C.
tried to stop heating by dried grass or wood
D.
tried to know how and why the fire started
【单选题】'I was just like you--I' thought I was invincible,' says Adam Blomberg, standing before 400 students in a darkened auditorium at Miami's Coral Reef Senior High School. A photo of a bloodied and uncons...
A.
capable of doing everything
B.
incapable of being destroyed
C.
totally unlikely to happen
D.
beyond belief or understanding
【单选题】In spite of all stories of prosperity in the Unites States, not only does poverty exist there, but crimes of various types have been increasing at an alarming rate. Most acts of violence were committe...
A.
the United States is a wealthy country although poverty and crime exist there
B.
crime has become a serious problem in the United States, although it is said to be a prosperous one
C.
despite the fact that crimes have been increasing rapidly in the United States, it is a country of prosperity
D.
in spite of stories about poverty and crime in the United States, it is prospering at an increasing rate
【单选题】下列关于尿瘘的说法错误的是
A.
坏死型尿瘘多在产后3～7日开始漏尿
B.
手术直接损伤者术后3天开始漏尿
C.
腹腔镜下子宫切除中使用能量器械所致的尿瘘常在术后1～2周发生
D.
根治性子宫切除的患者常在术后10～21日发生漏尿
E.
放射性损伤所致的漏尿发生时间晚常合并粪漏
【单选题】I would like you to my birthday party,but I was busy and forgot to call you.
A.
to invite
B.
inviting
C.
to have invited
D.
having invited
【单选题】关于尿瘘下列说法错误的是
A.
由于漏尿，应限制饮水量，以预防外阴皮炎
B.
产伤是引起尿瘘的主要原因
C.
放疗所致的尿瘘应在病情稳定１年后择期手术
D.
创伤型尿瘘手术应在发现瘘后及时修补
E.
术后必须留置导尿管或耻骨上膀胱造口７~１４天
【简答题】Complete the following sentences with the appropriate forms of the nouns given. The mother looked on in _________ at her child’s sufferings. (agony) Mary went through _________ finishing her exam pape...
【简答题】I was like you like him like _______________________,
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