A：She read a magazine.
B：She reads a magazine.
关于行星绕太阳运动的下列说法中正确的是（ ）
薯片是易碎食品，应采用充气包装袋，下列气体最不能充入的是（ ）
When leaders of Chinese mainland（大陆）and Taiwan met in Singapore for ________ first time since 1949, President Xi said, "Today will be remembered in _________ history."
