【单选题】According to the conversation, what service can you use when you send an article of special value?
A.
The ordinary letter and parcel service.
B.
Registered Letter Post.
C.
Recorded Delivery Service.
D.
Compensation Fee Parcel Service.
【简答题】Computer technology has become an important part of people’s life.This technology has its own special words.One well-known computer word is Google.It’s the name of a popular “search engineer(引擎)” for ...
【单选题】The town is famous for its magnificent church towers.
【多选题】下列属于微生物特点的是
B.
有多样性( a、物种的多样性 b、生理代谢类型多样性 c、代谢产物的多样性 d、遗传基因的多样性 e、生态类型的多样性)