Ex.9-3 Listen to the following short dialogues and choose the appropriate answers.
A. The robot has a man-made brain.
B. Robots help humans get smarter.
C. The human brain becomes smarter.
D. Robots can be smarter than humans.
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Ex.9-4Listentothefollowingshortdialoguesandchoosetheappropriateanswers.
A. The development of science.
B. The importance of learning.
C. The size of a robot.
D. The power of IoT.
Ex.9-5 Listentothefollowingshortdialoguesandchoosetheappropriateanswers.
A. It is a physical planet(星球).
B. It is full of wonders(奇观).
C. It’s becoming a big information system.
D. It’s becoming smaller and smaller.
为了保证斜截面抗弯能力，必须使弯起钢筋的（）。
A. 起弯点离开其充分利用点不小于0.5h0
B. 起弯点里开启充分利用点不小于0.5h
C. 起弯点里开启充分利用点不小h0
D. 起弯点里开启充分利用点不小h
某钢筋混凝土梁，受均布荷载，当V＞0.7ftbh0时，应（）。
A. 提高箍筋的抗拉强度
B. 增加截面尺寸
C. 按计算配置腹筋
D. 提高混凝土强度等级
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