The 30 miles of steep roads that snake through the mountains of Logan Canyon in Utah are enough to make most drivers′hands sweat. But Andersen, a 46-year-old father of four, wasn′t expecting an
Such noble deeds of the doctors and nurses can’t be only______ with money. A. rewarded B. awarded C. praised D. valued
下列词语中加点的字，读音无误的一项是( ) A．锃亮(zènɡ) 讣告(fù) 卡脖子(qiǎ) 舐犊情深(tiǎn) B．颠簸(bǒ) 勾当(ɡòu) 黑糷糷(xū) 令人发指(fà) C
1．I was so c that I made the same mistake again.2. She’ll take her son to the d to have his teeth checked.3. You’ll be p if you break the traffic rules.4. Don’t worry
如图示，螺线管的导线的两端与两平行金属板相接，一个带负电的小球用丝线悬挂在两金属板间，并处于静止状态，若条形磁铁突然插入线圈时，小球
阅读资料结合图示回答有关问题： 乙酰胆碱酯酶能催化神经递质——乙酰胆碱的水解，使神经递质在完成神经兴奋的传递任务之后，尽快消失。有机磷
，当
时，它有最小值，是 
．
