【单选题】Why did the author become a children’s doctor?
A.
Because he was keen on experimenting on animals to make medical advancements.
B.
Because he wanted to keep the children healthy.
C.
Because he saw too many children suffer from different kinds of illness.
D.
Because he had a strong desire to make a fortune and achieve success.
【单选题】There are quite a number of food processors which are interested in producing irritated foods.
【单选题】As used throughout the passage, the term 'common' is closest in meaning to which of the following?
【单选题】Why did the author spend a white Christmas?
【单选题】Which kind of house fo they live in ?
B.
semi-detached houses or terraced houses
【单选题】Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?
【简答题】如果编译的时候提示“找不到头文件”,一般是( )出了问题。