According to the man, we use the library online service mainly to______.A．avoid talking to

According to some estimates, at most for how long can we use the fossil fuel reserves？A．20

According to the man, why do the elderly not like using the computerized banking services？

According to the news, we can learn thatA．the genetically modified maize fortified with th

According to the passage, we can conclude that______.A．modern man is more intelligent than

According to the man, the reasons we need to talk about regret are all of the following EX

According to the passage the chemical accident th