【单选题】听力原文:W: Hi, Mike. This is Sally Harris from Four Seasons Heating. I'm calling to let you know that the part you have been waiting for is in. Should I send someone over today to install it? M: Absolute...
A.
To inform. a customer about a new cooling system
B.
To inform. a customer that a component has been delivered
【简答题】Today, over six billion people live on the planet. This means that there are very few places on Earth with no people. One place that has very few people is at the bottom of the Earth. In Antarctica, t...