下图是原尿流经肾小管形成尿液的过程中，某种物质的浓度变化示意图，据图判断该物质是
题型：选择题
问题：
下图是原尿流经肾小管形成尿液的过程中，某种物质的浓度变化示意图，据图判断该物质是
A．水
B．无机盐
C．葡萄糖
D．尿素
题型：选择题
| 看图选择恰当的句子。 | ||
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1. | John: Hello. Amy: Hi, John_____________. John: I'm doing my homework. Amy: __________________? John: It's rainy. How about New York? Amy:_____________. | |
2. | Visitor: Excuse me. ____________？ Chen: Look, it's on the second floor. This way, please. Visitor: And where is the art room? Chen: _____________. Visitor: Thank you. Chen: __________________. | |