【单选题】How many continents were part of the research?
【单选题】力是物质间的相互作用,下列关于力的描述正确的是?
B.
物质间的相互作用力可以直接接触,也可以不直接接触。
【单选题】听力原文:M: How many students took part in the competition? W: About 20, but only 4 got the prize. Q: How many students got the prize? (10)
【多选题】真菌有性繁殖产生的有性孢子类型有( )。
【单选题】How many companies were involved in producing the hydraulic part for the film Titanic?
【简答题】真菌有性生殖方式有(),有性孢子类型有()。
【简答题】How many ________(part) are there in this story?