The West India Company was committed to building up the ( ) — but wanted to do so as cheaply as possible. A: colony B: column C: collapse D: collection

cheaply A: 复杂地 B: 昂贵地 C: 优质地 D: 便宜地

Look<br/>at the two pictures ______ and find out the differences. A: carefully B: luckily C: loudly D: cheaply

__________ from New York were greater than ____________. Consequently, shipping companies _________________ fill their ships with passengers on the return trip from Europe. Passengers could come from Europe very cheaply ____________. Thus New York became the greatest port for _________________________________. For these great numbers of new Americans New York had to provide _________, ___________, and _______________. Their ______ helped the city become great.

To protect the environment, scientists and engineers are researching ways to ( ) electricity more cheaply from such renewable energy sources as the wind and the sun.