–Please tell us something about Shennongjia. –I’m sorry, but neither Jack nor I there. A. have been B. had been C. have gone D
如图，直线AB、CD相交于O，且∠AOC＝2∠BOC，则∠AOD的度数为________
（2010·福建莆田九中高三上第二次月考） 34. The reason ____ Malcolm didn’t study art was ___ his father didn’t want him to. A. why; that B. why; because C. for;
What is your favorite color? Do you like yellow，orange，red? If you do，you must be an optimist，a leader，an active person who enjoys life，people and excitement．Do you prefer grey and blues
当________时，分式无意义；当______时，分式的值为．
Height is just one of the thousands of features your genes decide. In fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each pare
有X、Y、Z三种元素：（1）X、Y、Z的单质在常温下均为气体；（2）X单质可以在Z的单质中燃烧，生成物为XZ，火焰呈苍白色；（3）XZ极易溶于水，在水溶
三个数的大小关系是（ ） A . B. C. D .
的短轴长为
( )