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【单选题】
主要由纤维蛋白构成的血栓是
A.
透明血栓
B.
红色血栓
C.
混合血栓
D.
白色血栓
E.
附壁血栓
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【简答题】President Barack Obama nominated (提名) Utah governor Jon Huntsman as ambassador (大使) to China on May 16. Huntsman, 49, is the son of a Utah multimillionaire (千万富翁). He served as ambassador to Singapore...
【单选题】JPEG格式是为____而制定的压缩标准。
A.
视频
B.
灰度图像
C.
动画
D.
音乐
【简答题】架空光缆吊线设置在杆距≥()m时应设置辅助吊线
【单选题】小王想 用定时器 T0 作计数 , 软件启动,用方式 2 ,则 TMOD 初始化编程为 。
A.
TMOD=0x06
B.
TMOD=0x50
C.
TMOD=0x10
D.
TMOD=0x60
【单选题】Tragically, the young poet died in hospital from a bacterial _______.
A.
infection
B.
injection
C.
instruction
D.
indication
【单选题】小王想用定时器T1作计数,软件启动,用方式2,则TMOD初始化编程为 。
A.
TMOD=0x06;
B.
TMOD=0x50;
C.
TMOD=0x10;
D.
TMOD=0x60 ;
【单选题】下列物质属于弱电解质的是(  )
A.
NaCl
B.
HCl
C.
KOH
D.
H 2 CO 3
【简答题】凸轮机构中,已知从动件的速度曲线如图所示,试求: (1)示意画出从动件的加速度曲线; (2)判断哪几个位置有冲击存在?是柔性冲击还是刚性冲击?
【单选题】凸轮机构中,已知从动件的速度曲线如图所示,它由4段直线组成,下面哪个说法是错误的?【图片】
A.
位置A处有刚性冲击
B.
位置A、B处有刚性冲击
C.
位置C、D、E处有柔性冲击
D.
位置F处,凸轮机构有惯性力作用,无冲击存在
【单选题】When 18-year-old Jon Angle set his sights on a $5,000 motorcycle last month, he was determined not to let a little thing like lack of funds stand in his, way. 'My bank said they'd never loan me that s...
A.
American teenagers are spending whatever they can instead of putting aside the money they make.
B.
American teenagers affect their parents' shopping habits tremendously.
C.
American adolescents typically spend money on famous brands and concert tickets.
D.
American businessmen are trying to figure out new ways to tap the potential of adolescentmarket.
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