波峰焊焊接流水工艺中,涂助焊剂方式有()()(),刷涂式和浸涂式。
参考答案:波峰式;发泡式;喷射式
3岁男婴,顺产,生后体健,半年前有高热史,从学站及走路时用足尖及足外侧着地,步态不稳,查体:左足跖屈、内收、内翻及旋后畸形,皮肤感觉正常,最可能的诊断为()14岁女孩,走路不稳,有时跌跤,2年前有过发热史,查体:左下肢变细,肌力Ⅱ~Ⅲ级,皮肤感觉正常,智力正常,最可能的诊断为()
A.先天性马蹄内翻足
B.小儿麻痹后遗症
C.脑炎后遗症
D.腓总神经损伤
E.脊神经病变
从各题的A、B、C三个选项中,找出和画线部分意思相同或相近、并能替换画线部分的选项。
1. A few minutes later, Paul and Nancy got to Center Street by bus.
A. ran to
B. arrived at
C. went to
2. Sam looks strong, but actually he is not in good health.
A. in fact
B. in all
C. in general
3. I found a supermarket close to my new house.
A. in front of
B. far from
C. next to
4. After the vacation, all the students returned to the school.
A. gave back
B. sent back
C. went back
5. Peter told me he loves China and he wants to travel all over China.
A. around
B. through
C. in