学生学习弹钢琴曲的练习中，当练到一定阶段时，常会感到自己的进步似乎停止了。这种现象属于（ ）。

(单选题)Use ______ your college has to offer, such as its library. (单选题)The speech which he made ______ the project has bored me gre (单选题)The relationship between employers and employees has been st (单选题)When traveling, you are advised to take traveler’s checks, w (单选题)Animals can become unusually ______ when they are upset by a (单选题)The project, ______ by the end of 2020, will expand the city (单选题)The same factors push wages and prices up together, the one (单选题)The people living in these apartments have free ______ to th (单选题)Housewives who do not go out to work often feel they are not (单选题)绘画是美术的主要种类之一，下面都属于绘画的一组是（ ）。