党的基本路线提出的奋斗目标是（    ）

画△ABC的边AB上的高，下列画法中，正确的是（   ）

下列句子中，标点符号使用符合规范的一项是(　　)

关于温度、内能和热量，下列说法正确的是（  ）

选择适当的选项补全对话。

A. Is he friendly? B. Yes, you're right. C. A boy or a girl? D. Who's he? E. No. He has glasses and his shoes are blue.

John: Hello, Sarah! I have a new friend.
Sarah: ____
John: A boy.
Sarah: ____
John: He is tall and thin. He has short hair.
Sarah: ____
John: Yes, and he is nice, too.
Sarah: Is he Mike?
John: ____
Sarah: I know. He is Peter. He is near the door.
John: ____