如图题 4-2（6）所示三较刚架，EI=常数。较 C 的坚向位移等于[input=type:blank,size:4][/input][img=246x195]179d4fb9daea573.png[/img]
举一反三
- 如图题 4-2（7）所示结构 E I=常数，较 C两侧截面的相对转角等于[input=type:blank,size:4][/input][img=188x219]179d4fca45e872c.png[/img]
- Watch Video 2 again, and make notes of the key supporting details for each main point.[img=1078x526]177ec0cc0dba55a.png[/img]1、[input=type:blank,size:4][/input]2、[input=type:blank,size:4][/input]3、[input=type:blank,size:4][/input]4、[input=type:blank,size:4][/input]5、[input=type:blank,size:4][/input]6、[input=type:blank,size:4][/input]7、[input=type:blank,size:4][/input]8、[input=type:blank,size:4][/input]9、[input=type:blank,size:4][/input]10、[input=type:blank,size:4][/input]
- 已知图(a)所示方框图各点的波形如图(b)所示，填写各电路的名称.[img=552x102]1797043def9248b.png[/img][img=390x397]1797043eff98cfc.png[/img]电路1为[input=type:blank,size:4][/input]，电路2为[input=type:blank,size:4][/input]，电路3为[input=type:blank,size:4][/input]，电路4为[input=type:blank,size:4][/input].
- Watch Video 3 to find out details of the project ‘Green Horizon’. Fill in the following blanks.[img=479x132]177c8b86bc5690d.png[/img]1) .[input=type:blank,size:4][/input]2) .[input=type:blank,size:4][/input]3) .[input=type:blank,size:4][/input]4) .[input=type:blank,size:4][/input]5) .[input=type:blank,size:4][/input]6) .[input=type:blank,size:4][/input]
- Watch Video 1 and complete the following mind map.[img=515x401]177c93b6944b60e.png[/img][img=507x354]177c93b82794122.png[/img]1.[input=type:blank,size:4][/input]2.[input=type:blank,size:4][/input]3.[input=type:blank,size:4][/input]4.[input=type:blank,size:4][/input]5.[input=type:blank,size:4][/input]6.[input=type:blank,size:4][/input]7.[input=type:blank,size:4][/input]8.[input=type:blank,size:4][/input]