The scientific concepts can be ______ by words and diagrams.
A: conveyed
B: B. concluded
C: C. contained
D: D. continued
A: conveyed
B: B. concluded
C: C. contained
D: D. continued
举一反三
- The scientific concepts can be by words and diagrams. A: conveyed B: concluded C: contained D: continued
- The tone of this passage can best be described as ________________. A: A. discouraging B: B. encouraging C: C. persuasive D: D. scientific
- It can be concluded from information contained in the text that the average temperature at an altitude of I kilometer above the Earth is about ______. A: 15℃ B: -18℃ C: 2.5℃ D: 9℃
- A scientific hypothesis can only be ______ by indisputable facts ,i.e. , by evidence derived from actual observation and experiment. A: claimed B: exposed C: continued D: confirmed
- Though it was late in the night, ______ he continued to work vigorously. A: but B: B. yet C: C. and D: D. that