单项选择题

Although our health is improving in many ways and we are living longer than in the previous decade，new diseases and conditions threaten the quality of our lives．()

A．虽然我们通过各种方式来增强我们的健康，我们的寿命也比前十年多了，但新的疾病和情形依然在威胁着我们的生命。
B．尽管有很多方式在改进我们的健康状况，我们的寿命也比前十年延长了，但还有新的疾病和情形威胁着我们的生命。
C．尽管我们在通过多种方式改善健康状况，人们的寿命也比十年前更长了，但还有新的疾病和情形在威胁我们的生命。
D．尽管改进我们健康的方式有很多，我们的寿命也比以前延长了很多，但我们的生活还会受到新疾病和新情形的惊吓。

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单项选择题

Which of the following may lead to family quarrels according to the passage().

A. Unawareness of energy cycles.
B. Familiar monologues.
C. A change in a family member’s energy cycle.
D. Attempts to control the energy cycle of other family members.

单项选择题

The recitation of a poetry by the teacher or a student in the classroom().

A. is the best way to understand it
B. easily arouses some discussion among the students
C. helps the teachers to analyze it
D. cannot take the place of the poet reading it aloud