题目

根据句意，选择方框中的单词并用其适当形式填空。【1】It's 7：00 p．m. now. Let's watch the CCTV _____together.【2】The students are having a __________about how to learn English well.【3】I _____to have a picnic with my family this weekend.【4】The boy ______under the tree and said nothing.【5】Everlasting Classics(《经典咏流传》) is a popular and __________TV show.下列有关叙述正确的是①在世界上我国科学家第一次人工合成了结晶牛胰岛素 ②塑料属于天然有机物 ③最早实现无机物转化为有机物的科学家是维勒 ④首先提出有机化学概念的是贝采利乌斯A.①②④B.②③④C.①③④D.①②③