显示器的规格中,数据640×480、1024×768等表示显示器屏幕的大小。()
A. 对
B. 错
人本管理原理是指在管理过程中要树立以人为中心的观念,有效地调动人的积极性、智慧和创造力。()
A. 对
B. 错
According to David, what does a safer and more controlled world lead to
A. The need to stay safe at all costs.
B. The demand for risk-taking sports.
C. Fewer people talking unnecessary risks.
Mark can speak seven languages excluding ______.
A. Polish
B. Italian
C. German