1. Were you late to work yesterday because you couldn't remember where you put your car keys? Did you completely forget about a coffee date last week with a friend and only remember when you got a text asking, "where are you?" Can you no longer remember the name of your favorite elementary school teacher? Memory problems impact just about everyone to a certain degree, but science suggests you might be able to improve your memory, as well as reduce the likelihood of Alzheimer's and dementia, by engaging in certain activities, eating specific foods, and using certain mnemonic devices.
2. Nine provincial-level regions' GDP exceeded 3 trillion yuan in 2016, three more than the year before. The number of provincial-level areas with GDP surpassing 1 trillion yuan in 2016 remained 25.
4. In short, the period was so far like the present period, that some of its noisiest authorities insisted on its being received, for good or for evil, in the superlative degree of comparison only.
5. n. 预定，保留意见
6. Casual games--simple games such as card games--take second place with three ranked among the top 10 game list, while Web page games--such as Tencents' QQ games--are emerging as a new growth area. According to the report, by the end of Octover 2009, there were 1.54 million users playing the top five Web page games, with each user playing for an average of 30 minutes a day.