Question

Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.

A．work, working, work	B．work, working, working
C．working, work, working	D．working, work, work

Answer 1

A

試題分析：原文意思，很久以前，人類常常用雙手勞動(dòng)，但是現(xiàn)在人們習(xí)慣了使用機(jī)器，有時(shí)候機(jī)器人被用來(lái)工作，代替了人。used to do sth. 過(guò)去常常干某事（現(xiàn)在已不再這樣），be used to (doing) sth. 習(xí)慣于干某事（to為介詞），be used to do sth.被用來(lái)干某事，故選A。
點(diǎn)評(píng)：解答此類題型一定要掌握各句型的基本意思，used to do sth. 過(guò)去常常干某事（現(xiàn)在已不再這樣），be used to (doing) sth. 習(xí)慣于干某事（to為介詞），be used to do sth.被用來(lái)干某事。