问题 单项选择题 A1/A2型题

唾液维持口腔PH是由于唾液的()。

A.消化作用

B.清洁作用

C.缓冲作用

D.保护作用

E.稀释作用

答案

参考答案:C

填空题

用方框中所给单词的适当形式填空,使短文完整正确。(每个单词仅限一次)
Chinese , what, student, from ,bad, solve, receive, kind, how , one.
 
As China is becoming better and better, many foreign students come to China learning something to build their own countries. 25-year-old Monthero is one of them . Monthero comes 小题1:      Benin in West Africa. He is studying小题2:      at Beijing Language and Culture University.
“I thank Chinese小题3:      a lot since they would help me practice Chinese whenever I asked them, ”Monthero said. He added that his Chinese teachers were also very小题4:        .
He wanted to learn more than just the language. He also wanted to study Chinese technology so that he could help小题5:        water problems back home in Cotonou.“To learn小题6:        to deal with water pollution is my goal, ”he said, “China is developing quickly in technology and science. ” According to Monthero, water in Cotonou and many other African cities is小题7:       polluted.
Monthero’s love for China grew after the Beijing Olympic Games. He小题8:       a ticket from a friend and went to watch a wrestling match. “It was my小题9:       time to China, ” he said. “I felt so good and I wanted to learn in China.”
Like Monthero, many other students from different countries also want to sudy hard and then return to their countries to build them better with小题10:        they have learned in China.
填空题