13. Block in NM often substitute _____.
举一反三
- Block in NM often substitute ___. A: a certain part of chart B: a kind of tool C: a kind of tackle D: a piece of wood
- Questions 11～13 are based on the following dialogue. Where is the man going to next A: Block B. B: Block G. C: Block E. D: The car park.
- While intelligent people can often ______ the complex, a fool is more likely to complicate the simple. A: survive B: substitute C: simplify D: sacrifice
- 13（） A: often B: seldom C: recently D: certainly
- We should --------experiment and observation -------- speculative theories. A. substitute/for B. substitute/with C. change /for D. replace/with A: substitute/for B: substitute/with C: change /for D: replace/with