中国大学MOOC: 请选择表达最为正式的词语填在空白处。The scientists asked 200 passersby to estimate the angle of a set of stairs, and another 200 to do the same for an escalator—which, of course, requires no effort to __________.
举一反三
- 中国大学MOOC: 请选择恰当的词语填入划线的空白处。餃子の＿＿方を教えてください。
- With the work(do)_____,these scientists began to plan another research project.
- 中国大学MOOC: This is a desperate situation which requires a truly _________ solution.
- 中国大学MOOC:"Why do scientists know black holes exist?";
- 中国大学MOOC: When you are asked “ How do you spend your leisure time?” in a job interview, which of the following response is acceptable? ( )