【单选题】Odum(1983)根据生态系统不同层次能量流动的相同特点,提出了能量流动的基本模式 ,有关模式图说法不恰当的是 ( )
B.
对异养生物来说 能流的来源 是食物中的化学能
【简答题】In the last 500 years, nothing about people — not their clothes, ideas, or languages — has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree by S...
【简答题】假设某专业有若干个班,每个班有若干学生,每个学生包含姓名和分数,这样构成一棵树,如图 1 所示。假设树中每个结点的 name 域均不相同,该树采用孩子兄弟链存储结构,其结点类型定义如下: typedef struct node { char name[50]; // 专业、班号或姓名 float score; // 分数 struct node *child; // 指向最左边的孩子结点 stru...
【单选题】水轮机的型号: ZZ560-LH-800 , “ ZZ ” 表示 ( ) 水轮机
【单选题】水轮机的型号: ZZ560-LH-800 , “ ZZ ” 表示 ( ) 水轮机
【单选题】听力原文:W:Were you caught in the rain last night? M:No,I was already safe inside the house. Q:What happened last night? (18)
A.
It rained for a short while.
B.
There was a' car accident.
【简答题】中药提取物 2、有效部位 3、有效成分 4、干浸膏 5、稠浸膏 6、流浸膏 7、浸出液 8、特殊成分 —毒性成分
【单选题】听力原文:M: What were you doing last night? W: I was going to watch television but my uncle rang and invited himself to dinner! So, I have no other choice. What did the woman do last night?
B.
Had dinner outside with her uncle.
D.
Visited her uncle's house.
【单选题】听力原文:M: What were you doing at twelve last night? W: I was playing cards with my kids in the kitchen. M: Do your kids always go to bed that late? W: Not on weekdays. M: Wasn't your husband with you th...