1．weigh

[语境感悟]

(1)(教材P10)It only weighs 96 grams and measures 104×72×15 mm.

它只重96克，体积是104×72×15毫米。

(2)She is trying to lose weight.

她正在设法减肥。

(3)Bananas are sold by weight.

香蕉按重量出售。

[归纳拓展]

(1)weigh vi.重量为......；vt.权衡，斟酌

(2)weight n．重量

lose weight减肥

put on/gain weight长胖，发福

by weight以重量计

[即时跟踪]　用weigh的正确形式填空/完成句子

①The boy is thin，but he can lift a stone weighing about 20 kilograms.

②The dam burst under the weight of water.

③自戒烟以来，他体重增加了。

He's put_on/gained_weight since he gave up smoking.

2．shape

[语境感悟]

(1)(教材P11)It is shaped like a pen.

它的形状像支钢笔。

(2)The potter shaped the clay into a vase.

陶工将泥土塑成花瓶。

(3)Athletes must stay in shape.

运动员一定要保持身体健康。

[归纳拓展]

shape vt.使成形，塑造；n.形状，状态

shape up进展，发展良好，改善行为、工作等

in shape在形状上，在外形上；处于良好状态；处于准备状态

out of shape变形的，走样的；身体不好