The styles of Western classical gardens are ( ) A: balance of nature and man B: formal C: natural D: geometrical style of axial symmetry

α-D-Glucose is different from β-D-glucose（） A: in the configuration at C-1 B: because they are mirror images of each other C: because they are enantiomers D: because they are geometrical isomers

What of the following are indicated in assembly drawings？（ ） A: Surface roughnesses of parts B: Assembling relationships of parts C: Geometrical tolerances of parts D: Working principle of assembly

α-D-Glucose<br/>is different from β-D-glucose ____. A: in the configuration at C-1 B: because they are mirror images of each other C: because they are enantiomers D: because they are geometrical isomers

What is a Food Guide Pyramid? A: A description of theshape of food on a plate B: A geometrical shapeinvented by Pythagoras C: A suggested guide for people to understand how to have a healthy diet D: A way to make money by selling dietary products, health foods etc."

What is an active principle? A: Combination of active principles of several partial functions to fulfil theoverall function. B: Principle from which a certain effect is derived to fulfil the function(physical effect as well as geometrical and material characteristics inconnection with a sub-function C: physical, chemical or biological effect and geometricand material characteristics to the sub-function