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]
A: [img=600x479]1803b81479a310d.jpg[/img]
B: [img=351x481]1803b8148a0246b.jpg[/img]
C: [img=440x440]1803b814a02725d.jpg[/img]
D: [img=611x777]1803b814c77c8ce.png[/img]
举一反三
- 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]
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]
- Which of the following propositions is false,set A = {x,x is an integer and [img=60x23]1803a1c503ffa04.png[/img]} ? ( ) A: [img=113x25]1803a1c50cc3162.png[/img] B: [img=139x25]1803a1c514e60ea.png[/img] C: [img=51x22]1803a1c51dd52ef.png[/img] D: {x|x is an integer and |x| <4} [img=33x22]1803a1c525cf1bd.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]"）
- 下列等值式中正确的是( )。 未知类型：{'options': ['( [img=8x14]17e4385a99bb660.jpg[/img]x)(P(x)→B) ≡ ([img=8x14]17e4385a99bb660.jpg[/img]x)P(x)→B', ' ( [img=8x14]17e4385aa223929.jpg[/img]x)(B→Q(x)) ≡B→([img=8x14]17e4385aa223929.jpg[/img]x)Q(x)', ' ( [img=8x14]17e4385aa223929.jpg[/img]x)(P(x)→B) ≡ ([img=8x14]17e4385aa223929.jpg[/img]x)P(x)→B', ' ( [img=8x14]17e4385aa223929.jpg[/img]x)(B→Q(x)) ≡B→ ([img=8x14]17e4385a99bb660.jpg[/img]x)Q(x)'], 'type': 102}