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【简答题】
完形填空。 A little boy invited his mother to attend his school's first parent meeting. To the little boy's 1 , she said she would go. This would be the first time that his classmates and teacher 2 his mother. And he felt 3 for her look. Although she was a beautiful woman, there was a serious scar (疤痕) that 4 nearly all the right side of her face. The boy never wanted to 5 why or how she got the scar. At the meeting, the people were 6 by the kindness and natural beauty of his mother although there was the scar on her face. But the little boy was still unhappy and 7 himself from everyone. However, he could 8 the conversation between his mother and his teacher. The teacher asked 9 , 'How did you get the scar on your face?' The mother replied, 'When my son was a baby, he was in a room that 10 fire. I tried my best to take him to safety, but I was hurt in the face. All the people were moved, especially the boy. (     )1.A. enjoyment (     )2.A. noticed (     )3.A. sorry (     )4.A. included (     )5.A. talK about (     )6.A. angry (     )7.A. hid (     )8.A. understand (     )9.A. carefully (     )10.A. made B. disappointment B. greeted B. happy B. passed B. think about B. surprised B. protected B. remind B. seriously B. caught C. surprise C. met C. worried C. covered C. hear about C. comforted C. sat C. hear C. happily C. set
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【单选题】关于pH对酶活性的影响,正确的是
A.
影响酶的必需基团的解离状态
B.
也能影响底物的解离状态
C.
酶在一定的pH范围内发挥最高活性
D.
pH不改变能影响酶的Km值
【多选题】关于pH对酶活性的影响,正确的是
A.
影响酶的必需基团的解离状态
B.
也有影响底物的解离状态
C.
酶在一定的pH范围内发挥最高活性
D.
pH改变能影响酶的 K m 值
【判断题】广义相对论的基础理论之一是光速不变理论。
A.
正确
B.
错误
【单选题】关于肝豆状核变性,下列哪种说法是错误的( )
A.
无症状时尿酮即可增高
B.
肝脏症状多见于起病年龄较小者
C.
神经症状多见于起病年龄较大儿
D.
K-F环在发病早期即可出现
E.
少数患儿有范尼可综合征症状
【单选题】对于肝豆状核变性,以下说法错误的是()
A.
又称Wilson病或假性硬化症
B.
多发生在青少年
C.
与铜代谢失常有关
D.
有特征性超声图像改变
E.
常有肝功能损害
【简答题】某县城一家建筑公司为增值税一般纳税人,从事建筑、安装、装饰等多业经营,2018年7月份发生如下业务: (1)承包一家工厂的厂房建设工程,本月全部完工,建设施工合同中注明工程总价款为2000万元(含税)。另外得到对方支付的提前竣工奖100万元。 (2)承包一家制药厂厂房改造工程,工程总价款为500万元(含税)。此外,建筑公司购进用于改造工程的材料,取得的增值税专用发票注明的价款为80万元。另支付水电...
【多选题】关于pH对酶活性的影响,正确的是
A.
影响酶的必需基团的解离状态
B.
也能影响底物的解离状态
C.
酶在-定的pH范围内发挥最高活性
D.
pH 改变能影响酶的Km值
【简答题】广义相对论的理论基础是
【单选题】关于肝豆状核变性说法错误的是
A.
是一种常染色体隐性遗传的铜代谢障碍性疾病,亦称Wilson病,人群患病率为0.5~3/ 10万
B.
又称为慢性进行性舞蹈病,多发生于中年人,主要症状为舞蹈样动作与进行性认知障碍
C.
双眼角膜色素环即K-F环是本病的重要体征,出现率为95%以上
D.
儿童期发生的神经症状以舞蹈样动作、手足徐动和肌张力不全性动作为主,成人期发病的神经症状多以肌强直、动作减少和慌张步态为主
E.
头部CT显示双侧豆状核呈低密度,头部 MRI显示双侧豆状核T 1 WI低信号,T 2 WI高信号;化验显示血清铜蓝蛋白显著降低和尿铜排出量增高
【简答题】某县城一家建筑公司为增值税一般纳税人,从事建筑、安装、装饰等多业经营,2018年7月份发生如下业务: (1)承包一家工厂的厂房建设工程,本月全部完工,建设施工合同中注明工程总价款为2000万元(含税)。另外得到对方支付的提前竣工奖100万元。 (2)承包一家制药厂厂房改造工程,工程总价款为500万元(含税)。此外,建筑公司购进用于改造工程的材料,取得的增值税专用发票注明的价款为80万元。另支付水电...
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