砂嘴与砂坝的伸长，常常连结起来，构成滨海带的障壁，在其内侧形成一个与外海隔绝或联系较少的浅水域称为（）。
A、潮坪
B、泻湖
C、三角洲
参考答案：B
根据首字母及句意补全单词
1. He is waiting for a bus at the bus s_____.
2. He often goes swimming in a r_____ nearby.
3. They live in a big c_____.
4. Don't w_____ about me. I'll be better soon.
5. Look! There is a b_____ on the lake.
急性左心衰病因除了（）。
A.输液过多过快
B.大块肺梗死
C.急性瓣膜穿孔
D.室间隔破裂穿孔
E.广泛前壁心肌梗死
