原长10cm的钢试件,在外力作用下伸长了0.015mm,则试件的()。
A.正应变为0.015
B.切应变为0.0015
C.正应变为0.00015
D.切应变为0.15
参考答案:C
妊娠时子宫峡部称为()。
A.Crucial三角
B.子宫颈内口
C.子宫颈外口
D.子宫下段
E.子宫体
— How did people respond to the plan to charge for plastic bags used in the supermarket?
— The plan received ________ support throughout the country.
A. widespread
B. steady|
C. potential
D. obvious