△ABC中,AB=AC=12,∠A=30°,点P为BC边上任一点,则点P到AB和

题型:填空题

问题:

△ABC中,AB=AC=12,∠A=30°,点P为BC边上任一点,则点P到AB和AC的距离和是(    )。

考点:轴对称
题型:填空题

小题1:Don’t be particular about food. A________(平衡) diet is very important for health.

小题2:Eating too many desserts can be________(有害的) to one’s teeth.

小题3:You’d better________(道歉) to Mary for having kept her waiting for hours outside.

小题4:In g__________,your plan is good.

小题5:The m__________ subjects in senior high schools are Chinese,English and mathematics.

小题6:He has been elected an __________(先进的) teacher because of his achievements in teaching.

小题7:The brand-new style of teaching is a continuous source of __________(amuse) and delight to us.

小题8:The company in Nanjing e__________ about 20,000 boxes of wine to the UK last year.

小题9:A __________ (化学的) change takes place in paper when it burns.

小题10:There is now __________(令人信服的)evidence that smoking causes lung cancer.

题型:填空题

华法林的对抗药是()

A.烟酸

B.维生素K

C.凝血酸

D.鱼精蛋白

E.氨甲苯酸

题型:填空题

根据我国宪法规定,下列关于私有财产权的表述哪一项是不正确的( )。

A.公民合法的私有财产不受侵犯

B.国家依照法律规定保护公民的私有财产权和继承权

C.任何人不得剥夺公民的私有财产

D.国家为了公共利益的需要,可以依照法律规定对公民的私有财产实行征收或者征用并给予补偿

题型:填空题

温度年较差

题型:填空题

整车落成旁承间隙不符时可用以下方法调整:转8AG、转8G型更换下旁承座,且下旁承座底部高度不大于()。

A.20mm

B.25mm

C.30mm

D.36mm

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