【单选题】—Can you tell me ______? —Two weeks ago. [ ]
A.
how much the computer cost
B.
who you made the toy for
C.
how many CDs did you buy
D.
when you bought the camera
【简答题】改写句子。 1.Jenney, as well as her sister, will go fishing tomorrow. Jenney will go fishing ____________ her sister tomorrow. 2.The shopping center was full of people. ______________ many people in the sh...
【简答题】炉子刚启动时,炉墙形成的温度场为___________温度场,经过较长时间后,形成_____态温度场。
【简答题】归于液泡系的细胞器有()、()、()()(),共同特征具有( )层单位膜。