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【单选题】
灭活C3b的补体调节因子是A.
I 因子
B.
C4bp
C.
C8bp
D.
S蛋白
E.
DAF
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【多选题】Which of the following descriptions about rice are correct?
A.
Rice was firstly domesticated along the Yangtze River Valley in China.
B.
The piles of rice grains found at Hemudu site (河姆渡遗址) prove that China is one of the key birthplaces of rice in the world.
C.
The yield of rice had been much less than that of millet till Han Dynasty because there were few people living in the south at that time.
D.
The population growth in the south in Song Dynasty led to the planting of rice on a large scale.
E.
With the yield of rice exceeding all other grain crops, Yangtze River Valley became the economic center of China.
【简答题】The Best Rice Cookers ☆☆☆☆Tefal Automatic 2W3 Classic Rice Cooker One of the largest rice cookers on the market, with a 2-litre capacity （容量）（up to 12 servings）．It looks 'rather utilitarian', but give...
【多选题】加快形成深度发展格局，应健全体制机制，在国家层面，成立中央发展委员会，建立推动发展的（）机制。
A.
. 统一领导
B.
. 军地协调
C.
. 需求对接
D.
. 资源共享
【简答题】STP 战略中包括市场细分、__________和市场定位,其中__________是前提和基础。
【多选题】对下列matlab函数或语句的解释正确的是____。 rice=imread('rice.png'); I=double(rice); J=0.43*I+60; J2=1.5*I-60; rice2=uint8(J); rice3=uint8(J2); montage({rice,rice2, rice3})
A.
进行了图像的点运算
B.
I=double(rice);将图像数据转换成double型
C.
rice2=uint8(J)中unit8将J的数据转换为0~255的整数
D.
{rice,rice2, rice3}是1行3列的数组
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