【单选题】X、Y是元素周期表VIIA族中的两种元素,下列叙述中能说明X的非金属性比Y强的是 [ ]
【单选题】The fossil fuel would be __________ within half a century if we made no immediate actions now.
【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
【简答题】贾宝玉佩戴的玉叫( ),史湘云佩戴的是( )。
【单选题】X、Y是元素周期表中ⅥA族的两种元素。下列叙述中能说明X的非金属性比Y强的是 [ ]
D.
Y的最高价氧化物对应的水化物的酸性比X的最高价氧化物应的水化物的酸性强
【单选题】If we continue to consume our fossil fuel supply without restraint, then someday it will be______.
【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】The best title for the passage may be______.
B.
Fossil Fuel and Garbage