A．ccording to the article, which of the following statements is not true?

A．Tightly sealed house may be harmful in another aspect.

B．The house is unsealed to prevent the air from leaking.

C．The air always leaks from cracks.

D．New house is worse than old one in the aspect of indoor pollution.

[单选题]A．ccording to the passage, which of the following statement is true? __________.A． People can know happiness at any age.B． A happy person lives a successful life.C． Enjoying what you have can make you happy.D． Parents want to pursue the study of happ

[单选题]A．ccording to the passage, which of the following is NOT true?A． One can know his friends better from their color preference.B． Workers can work better in a room with bright colors.C． The person who prefers dark colors can not be successful.D． We can

[单选题]A．ccording to the passage, which of the following statement is not true?A．the heat exchanging surfaces should be kept substantially cleanB．the heat exchanger flow passages should be clear of obstructionC．seals for the plate heat exchanger needs to be

[单选题]A．ccording to Paragraph 2, which of the following is true of colours?A． Colors are encoded in girls' DNAB． Blue used to be regarded as the color for girlsC． Pink used to be a neutral color in symbolizing gendersD． White is preferred by babies

[单选题]A．ccording to the article, Piano Man and Street-life Serenade were ______.A． written when Billy Joel was fourteenB． released by Columb a RecordsC． hit albumsD． written as movies soundtracks

[单选题]A．ccording to this passage, which of the following is true?A． The Negroes came to North America in order to work for the earliest immigrants.B． The Negroes also belonged to the earliest immigrants to the North America.C． The Negroes were brought to A

[单选题]Which is TRUE according to the passage？A．The Muses invented music.B．Music can bring people some feelings.C．Music was from a Greek village.D．Everyone is interested in pop music.

[单选题]Which of the following is true according to the passage?[A] Flu vaccines now mainly use egg-based technology.[B] A bird influenza has once circulated among humans.[C] Safety can be greatly improved with cell-culture vaccines.[D] Modern vaccine produc

[单选题]A．ccording to the text, which of the following is true?［A］ the popularity of gap years results from an increasing number of charities.［B］ Prince William was working hard during his gap year.［C］ gap years are not as fashionable as they were ten years

[单选题]Which of the following is true according to the passage?A． Dogsledding is the most popular sport among local people.B． Watching wildlife is a memorable experience.C． Travellers should bring their own sports equipment.D． Shopping is too simple a pleas