两个同学玩一副乒乓球拍．学校买了108副，可以让多少个同学同时玩？
108×2=216（个）
答：可以让216个同学同时玩．
Do your best to remember other people's names and interests, which shows you ________ them.
A．look up to
B．worry about
C．care about
D．look after
增生型肠结核的发生与之有关的是
A．结核杆菌毒力大B．结核杆菌毒力小C．血白细胞计数增高D．血AFP增高E．血CEA增高
