皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
评定表面粗糙度时,规定评定长度是为了 。
A.
考虑测量方便
B.
减少表面波纹度的影响
C.
考虑加工表面不均匀
D.
考虑抗疲劳强度
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Once people wore garlic around their necks to ward off disease. Today, most Americans would scoff at the idea of wearing a necklace of garlic cloves to enhance their well-being.However,you might find ...
A.
more and more Americans are demanding alternative therapies.
B.
healthcare insurance companies are now providing some benefits for alternative medical treatments.
C.
they are frustrated by the time constraints of managed care.
D.
scientific studies are becoming available that prove their effectiveness and safety.
【单选题】荧光鉴别采用365nm波长的紫外灯时,写为
A.
365nm紫外观察
B.
UV(365nm)
C.
365nm(UV)
D.
置紫外灯(365nm)下观察
E.
置365nm紫外灯下观察
【简答题】All of the following are mentionedas alternative treatments EXCEPT ______.A. acupuncture and herbal supplements B. massage and chiropractic therapy C. minerals and vitamin supplements D. meditation, T...
【多选题】What are the treatments of TCM?
A.
Herbal Medicaine
B.
Acupuncture
C.
Qigong
D.
massage
【单选题】—Have you seen ______Audi car I parked here? —Is it ______red one?A young lady has driven a red car away.
A.
an;a
B.
the;the
C.
the;a
D.
an;the
【单选题】进行直线回归分析时首先应
A.
计算截距a
B.
计算回归系数b
C.
绘制散点图
D.
对回归系数进行假设检验
E.
判断回归系数的正、负
【单选题】单项选择。 I ______ a red apple. My sister a big pear. [     ]
A.
have, have
B.
has, has
C.
have, has
D.
has, have
【单选题】用紫外灯观察时,波长为
A.
254nm
B.
440nm
C.
444nm
D.
274nm
【单选题】All of the following are mentioned as alternative treatments EXCEPT ______.
A.
acupuncture and herbal supplements
B.
massage and chiropractic therapy
C.
minerals and vitamin supplements
D.
meditation, Tai Chi and Qigong
【单选题】进行直线回归分析时首先应()
A.
计算截距α
B.
计算回归系数b
C.
绘制散点图
D.
对回归系数进行假设检验
E.
判断回归系数的正、负
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题