氧气瓶在盛夏阳光下爆晒，瓶壁的温升可达到（）℃，随时都有爆炸的危险，所以室外作业一定要避免阳光直射。
A、100
B、50
C、40
参考答案：A
3.6克的H2O的物质的量是____________，水分子个数是_________个，氢原子的物质的量是___________
Our English teacher,as well as all the students, we can only improve our reading by reading widely.
A．agree that
B．agrees that
C．agrees with that
D．agree what
