What should be done to help the new immigrants？ 查看材料
A. Rid them of their inferiority complex.
B. Urge them to adopt American customs.
C. Prevent them from being marginalized.
D. Teach them standard American English.
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Paragraph 6__________ 查看材料
A. Nuclear reactions as the lasting source of the sun"s energy
B. The most important source of energy
C. Types of electromagnetic energy
D. The machines used for energy generation
E. Seeking new sources of energy
F. The use of ultraviolet radiation in medicine
Infrared radiation can produce heat__________ 查看材料
A. when it is absorbed by matter
B. when it is cloudy
C. because they can pass through solid objects
D. when the sunrays are fierce
E. when a change in the nucleus of an atom takes place
F. when electron rearrangement takes place
全静脉营养制剂中葡萄糖供给量不宜大于
A. 112kJ／(kg.d)
B. 124kJ／(kg.d)
C. 136kJ／(kg.d)
D. 158kJ／(kg.d)
E. 167kJ／(kg.d)
One can get a sunburn even__________ 查看材料
A. when it is absorbed by matter
B. when it is cloudy
C. because they can pass through solid objects
D. when the sunrays are fierce
E. when a change in the nucleus of an atom takes place
F. when electron rearrangement takes place
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