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【单选题】
在施工缝处继续浇筑混凝土,必须待已浇筑混凝土的抗压强度不小于( )可进行。
A.
设计强度的30%
B.
设计强度的20%
C.
2.0N/mm2
D.
1.2N/mm2
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【判断题】白喉的防治原则,应用白喉类毒素进行人工主动免疫。()
A.
正确
B.
错误
【单选题】【C15】
A.
determinate
B.
determined
C.
decisive
D.
determinant
【单选题】Google and Microsoft have approached the market using quite different business models. Over time, they have engaged in multi-point competition. Which of the following best describes this competition t...
A.
They have very divergent corporate strategies.
B.
They are an example of co-opetition in action.
C.
They are largely competing in mobile device operating systems.
D.
They compete for market share in several different product categories.
【单选题】Y-△降压启动控制线路中,将电动机定子绕组接成△时的正确连接方式( )。
A.
U1与W2、V1与U2、W1与V2
B.
U1与U2、V1与V2、W1与W2
C.
U1与V2 、V1与U2、W1与W2
D.
U1与W2、V1与V2、W1与U2
【多选题】体液免疫应答的主要效应形式有哪些?
A.
中和抗原
B.
激活补体
C.
免疫调理
D.
ADCC
【简答题】对 x 赋值,从 5 到 25 ,间隔是 0.1 ,应该写成( )
【单选题】根据GB50343一2004《建筑物电子信息系统防雷技术规范》中的5.1.2“需要保护的电子信息系统必须采取等电位连接与接地保护措施”这一条款是()
A.
指导性条款
B.
一般需要执行的条款
C.
推荐性条款
D.
强制性条款
【单选题】Which of the following would be a determinant as to what people find stressful?
A.
Personality.
B.
Education.
C.
Marital status.
D.
Shoe size.
【单选题】Which of the following is an example of how U. S. online matchmakers have adapted their business models to better serve customers from other cultures?
A.
inviting parents to fill out profiles for their children in India
B.
emphasizing the goal of finding true love in Scandinavia
C.
eliminating profiles in Japan
D.
lowering the cost of subscription in China
【简答题】English-Chinese Translation E-commerce Business Models A business model is defined as the organization of product, service and information flows, and the source of revenues and benefits for suppliers ...
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