The_______regioniscenteredlargelyinthenorthofthecountry.A.A.petrol
A: mineral
B: telescope
C: wire
A: mineral
B: telescope
C: wire
举一反三
- n. mineral oil that is found under the ground or the sea and is used to produce petrol/gas, paraffin, diesel oil, etc.. A: opponent B: nitrogen C: petroleum D: masterpiece
- 天文望远镜 A: microscope B: goggle C: astronomical telescope D: telescope
- The underlined word "knives" is used to ______. A: prevent the reel from advancing to rapidly B: twist the wire C: separate doublestranded wire D: cut the wire that becomes barbs
- Is quartz a mineral?
- 以下哪台望远镜没有采用镜面拼接技术？[img=500x333]1802ea28787e6e0.jpg[/img] A: 郭守敬望远镜（LAMOST） B: James Webb Space Telescope C: Keck Telescopes D: Hubble Space Telescope