A:arrived ; didn’t turn u
B:had arrived ; didn’t turn u
C:arrived ; hadn’t turned u
D:had arrived; hadn’t turned u
如图所示,天平右盘放砝码,左盘是一个水银气压计,玻璃管固定在支架上,天平已调节平衡,若大气压强增大,则( )
2016年12月4日是我国第三个国家宪法日,各地中小学广泛开展了学宪法讲宪法活动。下列对宪法的认识正确的有( )
①宪法是依法治国的根本依据 ②宪法规定了国家和社会生活中的所有问题
③要自觉维护宪法的尊严 ④要在日常生活中养成遵守宪法的习惯
阅读下面短文,从短文后各题所给的四个选项A、B、C、D中,选出可以填入空白处的最佳选项。
This is my family 1 . This boy is me. My 2 is Bob. I am 11. This is my father. 3name is Jack Smith. He is a teacher(老师). He is 4 English teacher. And this is my mother. 5 is a teacher, too. 6 that man(男人)? Oh, he is my uncle. My grandparents and my aunt aren't in the photo. 7 are in the USA. Dave 8my dog. That is my cat (猫). Its(它的) 9 is Mimi. I like my 10 . I like (喜欢)my dog and cat, too.
我国自主研制的“蛟龙号”载人潜水器成功深入7000米海底,创造了中国载人深潜的新历史;“天宫一号”与“神舟八号”两次交汇对接取得圆满成功……这些科技成就说明 ( )