【单选题】When the jar was filled, Dad would sit at the kitchen table and roll the coins before taking them to the __________.
【单选题】When the jar was filled, Dad would sit at the kitchen table and roll the coins before taking them to the __________.
【单选题】Billy __________.
A.
had no time to look after Susan
B.
had no more coins for Susan
C.
didn’t want to keep the coins
D.
was not good at taking care of babies
【简答题】三羧酸循环过程中有____次脱氢和____次脱羧反应,脱羧反应分别是由_______和________催化。一共有________步产能反应,每循环一周可生成_________个ATP。第一步的限速酶是_________。
【简答题】三羧酸循环共( )个反应,由( )个酶催化,其中3个酶调节控制该循环,从乙酰CoA进入循环开始,这3个调节酶分别是( )、( )和( )。
【判断题】Before taking them to the bank, the father would ask his son to count the coins.
【简答题】根据组织的发育程度、形态结构及其生理功能的不同,通常将植物组织分为___和___两大类。
【简答题】三羧酸循环过程有三个反应不可逆,分别由( )、( )和α-酮戊二酸脱氢酶复合体三个关键酶催化。
【简答题】听长对话或短文,选择正确答案。 1. What did Linda use to have? A. Long hair. B. Short hair. C. Curly hair. 2. What does she like doing now? A. Collecting coins. B. Collecting stamps. C. Playing basketball. 3. Who is ...