患者，女，22岁。月经初潮16岁，痛经6年，每于经期第1天出现小腹冷痛，喜温喜按，经

请用所给动词的适当形式填空。

1. I often __________ (go) to school by bus, but my sister Jane often __________ (go) to school on foot.

2. Linda usually __________ (have) lunch at home, but her friend Lily usually __________ (have) lunch at

    school.

3. My parents often __________ (say) to me, " Please __________ (work) hard at your lessons, then you can

    enjoy yourself."

4. __________ (do) Amy often __________ (do) her homework in the evening? Yes, she __________ (do).

5. He doesn't __________ (like) math.

当铅作业人员处于慢性铅中毒期时，主要应该提供的膳食是（）

A.多钙少磷的成碱性膳食

B.少钙多磷的成酸性膳食

C.正常膳食

D.高钙高磷膳食

E.成酸性膳食和成碱性膳食交替使用

大皮带上压满物料时，堆取料机能否向哪个方向进行调车（）

A、前

B、后

C、不动

全球男女合计前三位肿瘤发病数依次为（）。

A.肺癌、乳腺癌、胃癌

B.肺癌、胃癌、乳腺癌

C.胃癌、肝癌、肺癌

D.结直肠癌、肺癌、胃癌

E.肺癌、结直肠癌、胃癌