The nautical mile (nmi), equal to 1852 m, has been accepted for temporary use with the SI in navigation. The foot (ft) is, as discussed above, the unit of length in the British systems of units, and it is also in customary use in the United States. Since 1959 the foot has been ...
Kilogram, basic unit of mass in the metric system. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. It was once defined in terms of a platinum-iridium cylinder, but in 2018 the CGPM
Britannica Quiz Fun Facts of Measurement & Math The concept of the mole helps to put quantitative information about what happens in a chemical equation on a macroscopic level. For example, in the chemical reaction 2H2O→ O2 + 2H2, two moles of water are decomposed into two moles of molecu...
drink water 英 [drɪŋk ˈwɔːtə(r)] 美 [drɪŋk ˈwɔːtər] 喝水 toothache [ˈtuːθeɪk] 牙疼 dentist [ˈdentɪst] 牙医 anything [ˈeniθɪŋ] 任何东西 brush one'...
The SI unit of density is kg/m3. Water of 4 °C is the reference ρ = 1000 kg/m3 = 1 kg/dm3 = 1 kg/l or 1 g/cm3 = 1 g/ml. Fill in the appropriate line the known density value Attention: Do not re-enter the exact number of an answer....
2answering; what can you hear in this song?.运用学生学过的对话引出本课的新授内容,降低学习的难度,激发学生的兴趣activity 3(guessing)1、教学辅助(aids)1)简笔画2)图片 2.活动过程(process)stepscontentsmethodspurpose1questions& answersi brush my teeth and wash my face. drink some water . eat som...
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2answering; what can you hear in this song?.运用学生学过的对话引出本课的新授内容,降低学习的难度,激发学生的兴趣activity 3(guessing)1、教学辅助(aids)1)简笔画2)图片 2.活动过程(process)stepscontentsmethodspurpose1questions& answersi brush my teeth and wash my face. drink some water . eat som...
getting gaining weight a little bit so I hope that I can reduce um wait so that I may have some very good figure to attract girls in the future well joking actually because I mall ready close to seventy years ago you can tell there is no need of that anyhow lets listen to the you ...
[beə]adj.Abarethingisplainandnotcovered.Helikestowalkaroundinhisbarefeet.branch [brɑːntʃ]n.Abranchisthepartofatreewithleaves.Themonkeywashangingfromabranchonthetree.breath [breθ]n.Abreathistheairthatgoesintoandoutofone'slungs.Youcan'ttakeabreathunderwater.bridge [brɪdʒ]n.A...