【单选题】If a small soda can contains 300 ml of soda, how many liters of soda are in 25 cans?
【单选题】The seventh glass of soda that Tim consumes will produce an extra benefit of 10 cents and has an extra cost of zero (Tim is eating at the cafeteria). The cost-benefit principle predicts that Tim will:
A.
realize he has had too much soda to drink and go home.
B.
drink the seventh glass and continue until the marginal benefit of drinking another glass of soda is zero.
C.
volunteer to empty out the fountain.
D.
not drink the seventh glass.
【简答题】螺纹的要素包括( )、直径、( )、螺距和导程、( )。且只有这些要素完全相同的内、外螺纹才成相互旋合。
【单选题】下列航空发动机的性能中影响飞机复飞性能的主要是:
【单选题】下列哪种说法不符合恶性淋巴瘤
B.
非霍奇金淋巴瘤的结外淋巴组织病变较霍奇金淋巴瘤高