判断题：悬浮物的存在会影响离子交换设备的运行。（）A．正确B．错误

Were there any phone calls for me while I was out?

When will the work be finished?

As long as there is water, plants won't die quickly.

Although very important,intelligent is not necessarily the key to success.

A characteristic of American culture is to respect the self-made man the man ...