问题
单项选择题 B1型题
刷牙因素（）
A.牙隐裂
B.牙脱位
C.牙槽脓肿
D.楔状缺损
E.牙本质过敏症
答案
参考答案：D
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刷牙因素（）
A.牙隐裂
B.牙脱位
C.牙槽脓肿
D.楔状缺损
E.牙本质过敏症
参考答案：D
| 阅读理解。 | ||||||||||||||||||||
| Emily is a friendly girl. She is from London. She has many pen pals around the world. Look at the chart (图表) below.
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| 1. Sam, Maria and Li Ning are Emily's _______. | ||||||||||||||||||||
| A.classmates B. good friends C. sisters and brothers D. pen pals | ||||||||||||||||||||
| 2. Maria comes from _______. | ||||||||||||||||||||
| A. London B. Paris C. Sydney D. Beijing | ||||||||||||||||||||
| 3. Li Ning likes pandas because they are _______. | ||||||||||||||||||||
| A. clever B. shy C. cute D. friendly | ||||||||||||||||||||
| 4. According to (根据) the chart, Lily speaks _______. | ||||||||||||||||||||
| A. English B. French C. Chinese D. Japanese |