【单选题】Not only ______ prepare lunch for us, but also _______ clothes for us.
【单选题】This passage is mainly about the development of psychological tests and their practical use.
【判断题】法国园林、意大利园林都属于东方式园林系统。
【单选题】发展力量素质的方法有等张力、等长力、等动力和()练习法。
【简答题】.曲线 在与直线 的交点处的切线方程为 .