题目内容

酮体合成酶系存在于

A. 胞液
B. 线粒体基质
C. 内质网
D. 线粒体内膜

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导游人员应建议身体不适的旅游者及早去医院诊治。( )

A. 对
B. 错

如果在户外活动遇到地震情况时,导游人员应注意让游客远离高大建筑物,集中在空旷开阔地。( )

A. 对
B. 错

市价委托法

Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. What happened after the man built his first computer

A. He turned to become an enthusiastic reader.
B. He went on to build a machine for his Junior High School.
C. He became obsessed with computer engineering.
D. He was brushed by a hook.

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