A. Unnecessarily prolonged life spans.
B. Population explosion.
C. Overuse of resources.
D. The gap between the rich and the poor.
[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
[单选题]What is this passage mainly about?A．Disadvantage of face recognition technology.B．Purposes of face recognition technology.C．Controversial face recognition technology.D．Effect of face recognition technology.
[单选题]What is the passage mainly about?A． Chinese charity work.B． Charity work of some Chinese artists.C． Some famous Chinese artists.D． Organizations started by Chinese artists.
[单选题]What is the passage mainly about?A． The universal value of the world heritage in Liverpool.B． The exciting experience of the author in Liverpool.C． The special cultural atmosphere of Liverpool.D． The beautiful historic sites of Liverpool.
[单选题]What is the passage mainly about?A.What concerned Cash most about the homel
[单选题]What does the author intend to do in writing the passage?A.To evaluate our
[单选题]What is the author′s primary purpose in writing the passage?A.Revealing the
What is the passage mainly talking about?A. The usefulness of solar energy.B. So
Questions46 to 50 are based on the following passage.(1) (单选题)What does the auth