Insects thrive all over, from the hottest deserts to the snow-clad peaks of lofty mountains.

单项选择题The Coriolis force causes all moving projectiles on Earth to be deflected from a straight line.

单项选择题Bladder wrack, a tough, leathery brown seaweed, clings to rocks tenaciously.

单项选择题My wife wants me to do away with my shoes.

单项选择题His marked personality changes were brought about by a series of unfortunate events.

单项选择题Penicillin was discovered by chance in 1928.