【单选题】没有法定或者约定的义务,为避免他人利益受到损失,自愿管理他人事务或为他人提供服务的行为是()
【简答题】8. Caffeine ____
(have) some health benefits.
【单选题】( )8. There ____ a tall tree and some flowers in the garden.
【单选题】下面这段代码的输出为( ) int year = 2046; if (year % 2 == 0) { Console.WriteLine("进入了if"); } else if (year % 3 == 0) { Console.WriteLine("进入了else if"); } else { Console.WriteLine("进入了else"); } Console.Rea...
D.
进入了if ,进入了else if,进入了else
【单选题】The primary purpose of the passage is to discuss the ______.
A.
means of assessing the extent of the world food shortage
B.
difficulties of applying technological solutions to the problem of food shortage
C.
costs of introducing a new food technology into a developing country
D.
nature of the new technological innovations in the area of food production