A．harmB．hurtC．injureD．damageBy cutting down trees we __……

单项选择题Several experts have been called in to plan _____ for boating, tennis, refreshments and children’s games in the projected town park.

单项选择题Grain production in the world is _____, but still millions go hungry.

单项选择题Of course, most immigrants did not get rich overnight, but the _____ of them were eventually able to improve upon their former standard of living.

单项选择题Bacteria are sometimes _____ too small to be seen without a microscope.

单项选择题The old gentleman was a very _____ looking person, with grey hair and gold spectacles.