Which of the following plants are drug plants? [img=753x738]1803b812d161493.jpg[/img]
A: [img=754x687]1803b812e0b05ea.jpg[/img]
B: [img=600x479]1803b812edf4dcb.jpg[/img]
C: [img=500x500]1803b812fbef0c9.jpg[/img]
D: [img=296x329]1803b8130d1e520.jpg[/img]
A: [img=754x687]1803b812e0b05ea.jpg[/img]
B: [img=600x479]1803b812edf4dcb.jpg[/img]
C: [img=500x500]1803b812fbef0c9.jpg[/img]
D: [img=296x329]1803b8130d1e520.jpg[/img]
举一反三
- Which of the following plants are not the drug plants?[img=733x788]1803b8146b39cf3.jpg[/img] A: [img=600x479]1803b81479a310d.jpg[/img] B: [img=351x481]1803b8148a0246b.jpg[/img] C: [img=440x440]1803b814a02725d.jpg[/img] D: [img=611x777]1803b814c77c8ce.png[/img]
- 获取页面中所有jpg格式的图片，以下写法正确的是（）。 A: $（"img[src$=jpg]"） B: $（"img[src^=jpg]"） C: $（"img[src=jpg]"） D: $（"img[src*=jpg]"）
- Which of the following plants are drug plants? [img=753x738]17de81643ca0024.jpg[/img] 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 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｝
- 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｝