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问题 单项选择题

（）是将镗杆伸出，穿出直至孔外，分别装入定位螺钉和平面刮刀，然后移动刀杆，用手动断续进行刮削加工。

A.正面刮削

B.反向刮削

C.以内孔支承刮削

D.不以内孔支承刮削

答案

参考答案：B

单项选择题

The nurse plans to teach a client who is receiving radiation therapy how to care for his skin at home. Which of the following should be included in the nurse's instructions

A．"Apply a heating pad to the area to relieve pain. "

B．"Keep the area covered when you go outdoors. "

C．"You may use deodorant soap if you wish to cleanse the area. "

D．"Put baby oil on the area after each treatment to keep it from getting dry. "
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不定项选择题

在一个实验桌上放着四种化学药品，它们的瓶壁上分别写着白砂糖、小麦面粉、加碘食盐和食用味精。为了进一步确认它们的实物和名称是否相符而进行化学实验，下列做法中不可取的是[ ]

A．观察比较它们的外观状态

B．各取少量分别放在手里试一试

C．各取少量分别放在口里品尝一下

D．用化学方法进行鉴别

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