使用洋地黄后，心电图ST-T鱼钩样改变，表示()
A．洋地黄中毒
B．服用过洋地黄
C．已达洋地黄化
D．停药指征
E．血钾低于正常
参考答案：B
根据情景选择正确答案。
1. 你送朋友礼物，说：[ ]
A. I hope you'll like it.
B. Thank you.
2. 朋友送你礼物，你应打开，并说：[ ]
A. It isn't nice. I don't like it.
B. Oh, it's so nice! I like it very much. Thank you.
3. 别人不会做某事或从没做过某事，你可以鼓励别人说：[ ]
A. Please have a try!
B. Let me have a try.
口味以清淡为主，讲求嫩脆酥烂的地方菜是（）
A.北京菜
B.东北菜
C.上海菜
D.西北菜
