In hydro culture, plants are grown with their roots in water so ______ is necessary for the upper part of the plant.
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在Java语言中,对于浮点数,如果数字后没有任何字母,计算机默认其为【 】类型。
分析材料1、2,运用理论与实践的关系解释马克思主义与实践的关系。
Look at the following statements (Questions 14-18). Indicate:
YES if the statement agrees with information in the passage
NO if the statement contradicts information in the passage
NOT GIVEN if the information is not given in the passage.
Write your answers in boxes 14-18 on your Answer Sheet.
Valium is of greater risk to users than their original illness. ______