One way to treat the re-entry depression is to regard the travel as a way to learn how to live your daily life.（）

判断题The “post-travel blue”means that after a trip you feel happier so that the sky looks blue.（）

单项选择题Domestic oil（）and gasoline prices are two important issues in the presidential campaign.

A.exploration
B.explored
C.exploring
D.explore

单项选择题Vietnam has（）as the world’s third-biggest rice exporter.

A.emerged
B.merged
C.occurred
D.happened

单项选择题Mr.Leach is on holiday and was not（）for comment.

A.amazed
B.available
C.annoyed
D.anticipate

单项选择题（）that dieting is fruitless for people who think that they are too fat，the alternatives are fairly limited.

A.Assuming
B.Assumed
C.Assume
D.Assembled

单项选择题Which of the following involves using the inherent strength of social networks to encourage visitors and fans to share their Likes and comments with friends？（）

A.social density
B.engagement
C.amplification
D.dark social

填空题Many of the at-risk behaviors of HIV and AIDS are actually related to cultural beliefs and （），while shaping by an array of complex social，economic，and political factors.

问答题Why are prefixes and suffixes divided according to different criteria？

单项选择题Which of the following is a good definition？（）

A.A party is where you go to have a good time.
B.Democracy is a system of government in which every citizen in the country can vote to elect its government officials.
C.An astronomer is one who studies astronomy.
D.Pollution is the process that chemicals are dumped into rivers.

单项选择题Do you mean to risk（）cold by going out now that it has started pouring with rain？

A.catch
B.to catch
C.catching
D.caught

判断题We can only use a stipulated definition as the thesis of a definition essay.（）

判断题In terms of agriculture，the heavy snowfall is beneficial because when the snow covers the fields，the low temperature can kill the insects inside the earth.（）

单项选择题（）once said that the most beautiful things in our world are created by Labor，by the wise hands of human being.

A.Gorky
B.Marx
C.Tolstoy
D.Hugo

单项选择题One of them threatened me with a knife（）the other bound and gagged me.

A.if
B.although
C.while

判断题Phonology studies the description and classification of speech sounds.（）