Trình bày chuẩn giao tiếp cổng USB

Write a method that accepts a string object as an argument and returns the number of words it contains. for instance, if the argument is "four score and seven years ago", the method should return the number 6. demonstrate the method in a program that asks the user to input a string and then passes that string into the method, printing out whatever the method returns.

Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is 50e0bf08e5b671@ualwgypg91wa5wl. uzo9kbud3qjwddygd5.vng -