【简答题】长方形是轴对称图形,它有( )条对称轴;圆是轴对称图形,它有( )条对称轴;线段有( )条对称轴。
【简答题】角是轴对称图形,它的对称轴是( ),等腰梯形也是轴对称图形,它的对称轴是( )。
【简答题】根据句意和首字母提示填入合适的单词 1. This street is very n__ ,this car doesn't go across. 2. The teacher a him not to eat too much meat. 3. How can I c with you? Can l send an e-mail? 4. It's a w___ _idea,it can help...
【单选题】下列属于干燥恒速期的推动力是( )
A.
食品表面的水分蒸汽压和干燥空气的水分蒸汽压之差
【单选题】The book is very useful. ________, it isn’t expensive.
【简答题】Thank you for your kind words,Mr. President. I'd like to take this 1. to express our 2 thanks to all our Chinese friends. Thank you for your 3 over the years and thank you for your 4 here tonight. Ame...
【简答题】This is the very book___________ I am looking for.
【简答题】角是轴对称图形,它的对称轴是______; 等腰梯形也是轴对称图形,它的对称轴是______.