【单选题】The fossil fuel would be __________ within half a century if we made no immediate actions now.
【简答题】在图示电路中,有 个节点,有 支路,有 回路,有 个网孔。
【单选题】What causes the idea about the connection between fossil fuel and body weight according to the passage?
A.
Scholars worry that too much fossil fuel is consumed too fast.
B.
Obese people are not efficient while exploring the fossil fuel.
C.
A healthy world means everybody should keep fit.
D.
The climate change is becoming a major world problem.
【单选题】___________是做“炖生敲”的主要原料
【单选题】一Where is David? 一I just saw him in the ______.
【单选题】If we continue to consume our fossil fuel supply without restraint, then someday it will be______.
【判断题】F8辅助阀上不有两个排气孔,在常用制动时,上部排气口应当排气,在紧急制动时两个排气孔均排气。
【单选题】小明坐在教室里第6行第2列,可以用(6,2)表示,小强坐在第3行第1列,表示为( )
【单选题】—Where is David? —I just saw him in the _____.