举一反三
- Direction: Listen to the following passage and fill in the blanks according to the information you have heard.[音频][img=924x488]17e0c6dbb551e4c.png[/img]
- What did you hear?Fill in the blanks with the information you have heard.[音频][img=409x203]17e0c5782a2e899.png[/img]
- Task 1 Listen to the conversation between a receptionist and a visitor. Then fill in the missing information.[img=567x214]17e4488ab9f154d.png[/img][音频]
- [音频]Listen to the passage again and fill in the blanks with what you hear.
- Listening: Task 1 Listen to the following passage and fill in the blanks with the words or expressions you have heard.
内容
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函数[img=103x33]17e0b09051e076c.jpg[/img]的反函数是 未知类型:{'options': ['y=1-3cosx,x[img=6x11]17e0b0905fe87f4.jpg[/img][0,[img=8x11]17e0a7285a871a0.jpg[/img]]', ' y=1+3cosx,x[img=6x11]17e0b0905fe87f4.jpg[/img][0,[img=8x11]17e0a7285a871a0.jpg[/img]]', ' y=1-3sinx,x[img=6x11]17e0b0905fe87f4.jpg[/img][0,[img=8x11]17e0a7285a871a0.jpg[/img]]', ' y=1+3sinx,x[img=6x11]17e0b0905fe87f4.jpg[/img][0,[img=8x11]17e0a7285a871a0.jpg[/img]]'], 'type': 102}
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Unit 3-Exercise 15: Sports P47[音频]Listen to the talk and fill in the missing information in the right place.[img=911x362]17e446868a63217.png[/img]
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Listening:Task 2: Listen to the dialogue and fill in the blanks with the information you hear.
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下列4个集合中是空集的是() A: {x|[img=18x22]1802f060e2f728f.png[/img]+1=0} B: {x|[img=18x22]1802f060e2f728f.png[/img]<-x} C: {x|[img=18x22]1802f060e2f728f.png[/img]=0} D: {x|[img=18x22]1802f060e2f728f.png[/img]-1=0}
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下列4个集合中是空集的是() A: {x|[img=18x22]1803d021d498831.png[/img]+1=0} B: {x|[img=18x22]1803d021d498831.png[/img]<-x} C: {x|[img=18x22]1803d021d498831.png[/img]=0} D: {x|[img=18x22]1803d021d498831.png[/img]-1=0}