胃癌患者的膳食应限制及避免食用的是（）
A.高能量食物
B.高脂肪食物
C.高糖类食物
D.富含镍的食物
E.富含维生素P的食物
参考答案：B, D
阅读理解：在1-5小题前面括号内，正确的填写“T”，错误的“F”。
Good morning class! My name is Li Lei. I'm your English teacher. It's nice to meet you all. This is Jim. He is English. Oh, it's Kate. Sit down, please.
( )1. It's moming now.
( )2. Li Lei is a teacher.
( )3. Jim is a teacher, too.
( )4. Kate is a student.
( )5. Li Lei, Jim and Kate are at school now.
工件在装夹过程中产生的误差称为夹紧误差。
