题目内容
VLDL主要由哪种组织或器官合成
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关于CM的叙述错误的是
下列哪种脂肪酸为非必需脂肪酸
Understanding a passageDirections: Listen to a passage and choose the best answer from the four choices provided for each question.1A) They preferred to stay in the clean section.B) They preferred to stay in the empty section.C) They preferred to stay in the natural section.D) They preferred to stay in the unnatural section.2A) They gave all the fish in the fish tank some painkilling shots.B) They put painkilling medicine in the water of both sides of the fish tank.C) They put painkilling medicine in the water of the natural side of the fish tank.D) They put painkilling medicine in the water of the empty side of the fish tank.3A) Fish that received the painful shot stayed in the natural section.B) Fish that received the painful shot moved into the empty section.C) All of the fish stayed in the natural section with plants and rocks.D) All of the fish moved into the empty section with painkilling medicine.4A) Fish can’t feel pain when they receive shots.B) Fish can experience pain and try to reduce it.C) Fish like to swim in an unnatural environment.D) Fish like to swim in a less pleasing environment.[音频]
（173）10 = ( )2 。
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