皮皮学，免费搜题
登录
搜题
【单选题】
钢轨探伤仪37°探头探测50kg/m钢轨第一螺（声200mm），探头移至距轨端约100mm处荧光屏刻度8格左右有时会出现（ ）。A.
顶角反射波
B.
螺反射波
C.
颏部反射波
D.
倒打螺孔波
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The British constitution is ______ a large extent a product of the historical events described above.
A.
within
B.
to
C.
by
D.
at
【单选题】The study of language at one point in time is a______study.
A.
historical
B.
synchronic
C.
descriptive
D.
diachronic
【单选题】The reaction of meteorite researchers to the claims reported last August can be best described as ______.
A.
shocked
B.
dismayed
C.
nervous
D.
confused
【单选题】A公司因为一项未决诉讼估计应偿付V公司的金额为70万元,符合预计负债的确认条件,同时基本确定会得到C公司的补偿金额为50万。A公司应确认预计负债的金额为
A.
0
B.
50万元
C.
70万元
D.
20万元
【单选题】30 Which of the following is a formal invitation that requests a formal response that describes the method of work and associated compensation.
A.
Request for quotation (RFQ)
B.
Request for proposal (RFP)
C.
Request for bids (RFB)
D.
Invitation for bids (IFB)
E.
Letter of intent (LOI)
相关题目：
参考解析：
知识点：
题目纠错 0
发布
