【单选题】(浙江工业大学2006年考研试题)组成谷胱甘肽的氨基酸是( )。
【单选题】我国水资源总量占世界水资源总量的()%。
【简答题】阅读理解。 As you move around your home, take a good look at the things you have. It is likely that your living room will have a television set and a video, and your kitchen a washing machine and a microwa...
【单选题】When Joe maximizes utility, he finds that his MRS of X for Y is greater than Px/Py. It is most likely that:
A.
Joe's preferences are incomplete.
B.
Joe's preferences are irrational.
C.
Joe is not consuming good X.
D.
Joe is not consuming good Y.
【多选题】The regression equation Y = 3 + 2X has been calculated from 6 pairs of values, with X ranging from 1 to 10. The correlation coefficient is 0.8. It is estimated that Y = 43 when X = 20. Which of the fo...
A.
The estimate is not reliable because X is outside the range of the data
B.
The estimate is not reliable because the correlation is low
C.
The estimate is reliable
D.
The estimate is not reliable because the sample is small
【单选题】在回弹法测强中,由测区回弹修正后的( )值和( )值通过测强曲线或强度换算表得到的测区现龄期混凝土强度值称为测区混凝土强度换算值。