题型:判断题 辨析填空。 situation / condition / state 1. All the equipment provided for the work must be in good _____ and good working order.2. At that time, the whole country was in a _____ of war.3. When you get there, have a look of the _____ and decide what to do. set up / build / found / put up 4. We must _____ a world with more partners and fewer adversaries. 5. This country was _____ on the principle of individual freedom for all.6. The primary school in that poor village was _____ in 2003 with the help of some kind people. 7. They _____ a tent when they go there. prevent / protect 8. Firemen must carry breathing equipment to _____ themselves from the smoke. 9. Unless we get more funding we'll be _____ from finishing our experimental program. 查看答案
题型:判断题 25℃时下列叙述正确的是( )A.浓度相同的①NaCl、②CH3COONa、③NaHCO3三份溶液的pH:③>②>①B.0.1mol•L-1某二元弱酸强碱盐NaHA溶液中:c(Na+)=2c(A2-)+c(HA-)+c(H2A)C.图中b点时:c(Na+)>c(CH3COO-)D.图中a点溶液中各离子浓度的关系是:c(Na+)>c(OH-)>c(CH3COO-)>c(H+) 查看答案