/>①海沟 ②褶皱山脉 ③裂谷 ④岛孤和海岸山脉A．①③B．②④C．③④D．①④There was a boy who was sent by his parents to a boarding school (寄宿学校). 1 be
如图，小明为了测量校园里旗杆AB的高度，将测角仪CD竖直放在距旗杆底部B点6m的位置，在D处测得旗杆顶端A的仰角为53°，若测角仪的高度是1.5m，则旗杆
含有相同质子数和电子数的两种粒子之间关系不正确的是( ) A.它们可能是同位素原子 B.可能是不同分子C.可能是不同离子
—You are always full of _______.Can you tell me the secret? —Taking plenty of exercise every day. A.power B.strength C.force D.energy
阅读下面短文，从各题所给的A、B、C、D四个选项中选出最佳选项，第四篇阅读后根据要求答题。 I am 15. Now I’m studying Englishin London. I want to invent a languag
（08年龙岩一中冲刺文）函数的最小正周期为 （ ）A． B． C． D．2p{font-size:10.5pt;line-height:150%;m
One evening after dinner, Mr. and Mrs. Bond called a family meeting. “We’ve had to make a 41 decision,” Mr. Bond announced. “You see, your mother has been offered a post as co-director
鲁达又道：“老儿，你来！洒家与你些盘缠，明日便回东京去，何如？”……鲁达只把这十五两银子与了金老，吩咐道：“你父女两个将去做盘缠，一
