题目

阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 There's a word of wellness I've loved for years. It'sHALT: the idea that if you want to be calm and content, never let yourself gettoo hungry, angry, lonely or tired. Researchers are increasingly looking moreclosely at the L in HALT, with one report presented tothe American Psychological Association finding that long-term loneliness mightbe a greater public health risk than obesity. Loneliness is a problem with many faces.Some people are alone most of the time—data collected by the UnitedKingdom found如图所示为赫尔希和蔡斯实验中的T2噬菌体侵染大肠杆菌的过程示意图。下列说法正确的是A. 过程⑤释放的噬菌体都不含有亲代的成分B. 培养噬菌体和大肠杆菌可用相同的培养基C. T2噬菌体和大肠杆菌含有的核酸种类相同D. T2噬菌体增殖需要大肠杆菌的核糖体参与