Sam _____ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up | C．picked up | D．set up |
The experiment shows that proper amounts of exercise, ifregularly, can improve our health.
| A． | being carried out | B． | carrying out | C． | carried out | D． | to carry out |
I guess we’ve already talked about this before but I’ll ask you again just __ .
| A．by nature | B．in return | C．in case | D．by chance |
I have been convinced that the print media are usually more __ and more reliable than television.
| A．accurate | B．ridiculous | C．urgent | D．shallow |
The majority of people in the town stronglythe plan to build a playground for children.
| A． | consider | B． | support | C． | confirm | D． | submit |
The settlement is home to nearly 1,000 people, many of __ left their village homes for a better life in the city.
| A．whom | B．which | C．them | D．those |