6．
The airplant has wonderful and amazing features．It takes in moisture（水汽）from the air through its leaves．Although it is seen growing on another object or plant，the airplant simply uses the object or plant to support itself．
To prevent the roots from being too wet，avoid planting it in soil．Keep the roots in a well-ventilated（通风良好的）environment．Airplants can grow well hanging from fishing lines．They can also be hung from seashells，teacups or even on wood．
Water the airplant once in a while．Simply let the water fall from the roots．The roots will take in the water for the airplant．
The airplant call live between 0℃° and 51℃．It does not need to be in the light all the time．However，sunlight（morning and evening only）helps it to reproduce（繁殖）faster．When it flowers，it turns a colorful pink，red or orange．At most 8young plants can grow from the airplant．When these grow to half the size of the parent plant，simply pull them away gently from the parent plant and plant them in another place．
The lifespan of an airplant depends on the care it gets and the environment it is placed in．Generally，all airplant Can live for many years．
Because they are so beautiful and easy to take care of，airplants are excellent as birthday gifts or housewarming gifts．
根据短文内容，从题中所给的A、B、c、D四个选项中，选择最佳答案．
63．The airplant takes in moisture fromB．
A．other plants B．the airC．the leaves D．other objects
64．An airplant must not be placed inA．
A．soil B．seashellsC．teacups D．wood
65．Mommg sunlight can help the airplantB．
A．become drier and smaller
B．produce young plants faster
C．turn into different colors
D．become half the size of the parent plant
66．The underlined word"lifespan"（in Paragraph 5）most probably meansD．
A．生活 B．生存 C．生命 D．寿命
67．The airplant is easy to take care of because itB．
A．is a famous plant
B．needs little water and sudight
C．grows on other plants and objects
D．makes the garden beautiful．
