A.the experiments on the common cold
B.the cures about the common cold
C.why and how people catch colds
D.the continued spread of common colds
[单选题]This text mainly discusses（ ）[A] reasons to abolish the practice of tipping[B] economic sense of tipping[C]consumers' attitudes towards tipping[D]tipping for good service
This text mainly discusses how toA. balance feeling good and spending moneyB. sp
[单选题]The passage is mainly developed by _______.A．analyzing causesB．making comparisonsC．examining differencesD．following the time order
[单选题]The passage in mainly aboutA． how Chinese students won the awards in the competitionB． why bloggers should take responsibility for their blogsC． how Miss Gao won the first prize in the competitionD． what the result of the competition was
[单选题]The mainly idea of this passage is ______ .A． MannersB． HabitsC． TrafficD． Lights
[单选题]This passage is mainly about ________.A． freedom for teenagers in summer holidaysB． safety for teenagers in summer holidaysC． activities for teenagers in summer holidaysD． troubles for teenagers in summer holidays
[单选题]The passage is mainly about .A． honour and writersB． identity and signatureC． signature and responsibilityD． anonymity and signature
[单选题]The passage is mainly developed by .A． analyzing causeB． making comparisonsC． examining differencesD． following the time order
[单选题]What is the passage mainly about?A． The changes of the author’s attitude to her mother’s English.B． The limitation of the author’s perception of her mother.C． The author’s misunderstanding of “limited” English.D． The author’s experiences of using bro
[单选题]What is the passage mainly about?（ ）A． The changes of the author’s attitude to her mother’s English.B． The limitation of the author’s perception of her mother.C． The author’s misunderstanding of “limited” English.D． The author’s experiences of using