更多"What causes are forces producing se"的相关试题:
[单项选择]What causes are forces producing severe stresses on today's children except______
A. urbanization
B. unwed and divorced mothers
C. one-parent family
D. poverty
[单项选择]What causes tide
A. The pull of the sun and the moon.
B. The heat of the sun.
C. The shape of the moon.
D. The light of the moon.
[单项选择]What have studies found out about severe pneumonia treatment
A. No medication works in developing countries.
B. It can be effectively treated at home with oral antibiotics.
C. It can only be treated in the hospital with injectable antibiotics.
[单项选择]What problems does Jason Smith think radio causes
A. It has too many programs for advertising.
B. It makes husbands talk little to wives.
C. It gives too much loud music.
D. Its noise does harm to our ears.
[多项选择]While a full understanding of what causes the disease may be several years away, ______ leading to a successful treatment could come much sooner.
A. a distinction
B. a breakthrough
C. an identification
D. an interpretation
[单项选择]What causes the pressure to reform the way clinical trials of all drugs are reported
A. Growing concerns over the safety and efficacy of anti-depressant drugs prescribed to children.
B. The requirements of Congress and the New York state attorney general.
C. Changes within the pharmaceutical industry.
D. The information provided by a dozen influential medical journals.
[单项选择]What causes differences in size and color of annual rings
A. The climate.
B. The exposure to light.
C. The length of time.
D. The fertility of the soil.
[单项选择]According to the passage, what causes potassium and water in the mimosa to shift from some cells to others
A. Signals from the pulvini.
B. Movements of the leaf stalks.
C. Electrical impulses.
D. Nerve signals.
[单项选择]What causes the tension that draws water up a plant
A. Humidity
B. Plant growth
C. Root pressure
D. Evaporation
[单项选择]What do we learn about causes of change in fashion
A. They are inexplicable.
B. They are varied.
C. They are confusing.
D. They are uniform.
[单项选择]According to the woman, what causes most of the damage to the air
A. Industrial sources.
B. Automobiles.
C. Nitrogen sources.
D. Natural activities.
