对下列情景涉及的物理知识，描述正确的是(    )

若不等式|x﹣1|＜a成立的充分条件是0＜x＜4，则实数a的取值范围是（　　）

用所给动词的正确时态、语态填空
⑴Be quiet, please ! The baby____ (sleep).
⑵—What does Frank often do at weekends?
—He often____ (go) to the cinema with his parents.
⑶Andy ____ (argue) with his brother when I went to see him yesterday.
⑷She ____ (be) to her hometown several times.
⑸____ (play) computer games too much is bad for your eyes.
⑹Lucy tried ____(not make) too many mistakes in the exam.
⑺He ____  to us as soon as he gets there. (write)
⑻By the time I got outside, the bus____ (leave).
⑼I'm sure I ____  her four years ago. (see)
⑽In summer,  Miss Xia would rather ____  (stay) at home than go out.

已知命题 $p:$ 对数 $lo{g}_a\left(-2t^2+7t-5\right)$ （ $a>0$ 且 $a\ne 1$ )有意义， $q:$ 关于实数 $t$ 的不等式 $t^2-\left(a+3\right)t+\left(a+2\right)<0$ .

大型载重汽车下坡时间较长时，为防止刹车片过热造成刹车失灵．要向刹车片和轮胎喷水降温，刹车片过热是通过____ 方式增加内能的；用水来降温是利用了水具有较大的____ 性质；汽车下坡时其重力势能____ （选填“增大”、“减小”或“不变”）