A:两个鸡蛋
B:两瓶矿泉水
C:一袋方便面
D:一张课桌
根据图中信息,写成下列填空:
My school is different theirs. It has many after school clubs.
埃博拉病毒是一种RNA病毒,感染人体后会出现发烧、呕吐、腹泻等症状,死亡率高达90%.下列有关说法正确的是( )