The Chinese doctors went to Italy to help the patients________they knew it was dangerous.
句意：尽管中国医生知道这样做很危险，他们还是去了意大利帮助病人。
考查从属连词辨析。because因为，引导原因状语从句；if如果，引导条件状语从句；though虽然、尽管、即使，引导让步状语从句；as soon as一……就……，引导时间状语从句。根据语境“中国医生去意大利帮助病人，___他们知道这很危险．”可知，前后句之间存在一种相反的让步关系，所以though符合句意，故答案选C。
The Chinese doctors went to Italy to help the patients________they knew it was dangerous.
_____ Jane_____ her brother is going to the movies this weekend. One of them has to stay at home to look after their sick mother.
— Work hard,____ your dream will come true.
—Well. 1 will do my best.
Little Mary says good night to her parents________ she goes to bed every day.
—Hello, Linda speaking. Who’s ____?
—Hello, this is Martin.
I find ____ necessary to learn about the customs of a country before you go there.
—Much personal information is stolen when people buy things on the Internet.
—Terrible! _____ must be done to keep the Internet safety.
—Where would you like to go this Mid-Autumn Festival?
—I’d like to go ____.
—It’s sunny outside. Why not go out and have a look?
—There ____ is here. I just want to have a rest.
There is ___ juice in the fridge. I must go to the supermarket at once to buy some.
