A:By train.
B:By spaceship.
C:By plane.
解不等式2﹣x>0,并把解集在数轴上表示出来.
Dear Jenny,
Now we are in the hospital of our city . My mother and I have a bad cold . We sees many children here . Some people have a cold. Some people have a headache. Some people have a fever. They a re waiting outside the doctor's room .Now it's our turn.
Yours,
Jack
班里近期将举行班干部改选,竞选者需面向全班师生发表竞选演说。现在请选择你感兴趣的职务,写一篇微型演讲稿。不超过150字。
要求:⑴目的明确,理由合理,表达得体。⑵正确书写汉字,准确使用标点,规范运用语言。⑶需要出现自己的名字时,用“王晓梦”代替。
某片果园有果树80棵,现准备多种一些果树提高果园产量,但是如果多种树,那么树之间的距离和每棵树所受光照就会减少,单棵树的产量随之降低.若该果园每棵果树产果y(千克),增种果树x(棵),它们之间的函数关系如图所示.