题目

在研究植物光合作用产物的实验中，把天竺葵放到黑暗处一昼夜的目的是（   ） A、不让植物进行呼吸作用      B、加强植物的呼吸作用 C、使叶片内的养料运走耗尽    D、使植物的生命活动减弱 答案：CC．根据句意用所给动词的适当形式填空。【1】There is no need for you _______(go) to school tomorrow.【2】I think A bite of China is well worth _______(watch).【3】Scientists are working hard to make the dream ________(come) true.【4】The person who is the earliest will get what he or she _______(want).【5】Next week a speech ________(give)by an artist in our school.