【单选题】根据以下材料回答题 It is not polite to arrive at a dinner party more than 15 to 20 minutes late.The host or hostessusually waits for all the guests to arrive before36 the meal.If someone is late, the food mayb...
【单选题】It ́s 10 pm. You may not know where your child is, but the chip does. The chip will also know if your child has fallen and needs immediate help. Once doctors arrive, the chip will also be able to tel...
A.
chips are usually used to locate lost children
B.
chips are more convenient than credit cards
C.
chips will soon be useful in many aspects of daily lives
D.
chips will bring out the issue of abuse of personal privacy