【单选题】在产业内贸易理论中,造成产业内贸易的主要原因是_______。
【单选题】简单控制系统一般由( )组成。
D.
一个控制器、一个变送器、一个执行器和一个被控对象
【单选题】Why is juice as fat as fruits? ______
A.
The impact is antioxidant on disease risk may be more important that the amount of fiber.
B.
Whole fruits and vegetable have more fiber than most juices, and fiber has many benefits.
C.
It guarantees you to take in calories, and it help regulate blood sugar.
D.
Some juice companies are extracting the pulp ( which adds to the fiber).
【简答题】一般一个简单控制系统由()装置、()、()器和()机构组成。
【单选题】Standage suggests that tea may have been more responsible than rum for the independence movement in Britain' American colonies.
【多选题】一般一个简单控制系统由以下选项中哪些组成()
【单选题】Standage suggests that tea may have been more responsible than rum for the independence movement in Britain's American colonies.