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Sitting in the play area of the doctor’s office, my children, Paul, four, and Bailey, three, built a Lego tower while we waited to be called for Paul’s examination. “Good job, you guys,”I said, trying not to sound too tired. My husband was away on business, and it was difficult being alone with the kids. At times I felt like I was living in the jungle(丛林) rather than the suburbs. “Don’t put the Lego in your mouth, Bailey,”I said. Paul grabbed(抓取) it from him.“That’s not nice, Paul,”I said. He gave back the Lego. I looked around the waiting room. A woman was eating something, a couple were talking, and an old gentleman in a blue jacket was reading a magazine. I wished I could sit quietly for a while. I wanted to be able to take a rest, or go shopping alone. At once, I was ashamed of myself. What kind of mother was I? “God,”I thought, “help me to be the very best mom I can be.” The nurse came into the waiting room to get us. Just at that moment, the old gentleman in the waiting room put down his magazine and came up to me. With a smile on his face, he said, “Your children are most certainly lucky to have such a wonderful mother.”“Thank you,”I replied in a low voice and watched him walk back to his seat. We followed the nurse into the examination room. While she weighed Paul, I told her how that man had made my day. Motherhood is still a jungle sometimes, but now when I feel tired I remember the encouraging words of the old gentleman. 小题1:The writer went to the doctor’s office because . A.one of her children liked to play there B.her son Paul needed an examination C.she was tired and needed to see her doctor D.she wanted to have all her children examined 小题2:.From Paragraph 2, we know the writer felt that looking after her children alone was . A.unfair B.happy C.hard D.interesting 小题3:The writer criticized(批评) Paul when he . A.put the Lego into Bailey’s mouth B.took away the toy from Bailey C.made trouble in the waiting room D.didn’t follow her advice 小题4:What can we learn from the passage? A.The writer often went shopping alone. B.The writer’s husband was always on business. C.The writer doesn’t know how to be a good mother. D.The writer was greatly encouraged by the old gentleman’s words.
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参考答案:
举一反三
【单选题】关于平面力系的主矢与主矩,下列表述正确的是( )
A.
主矢的大小、方向与简化中心的选择无关
B.
主矩的带下、转向一定与简化中心的选择有关
C.
当平面力系对某点的主矩为零时,该力系向任何一点简化的结果为一合力
D.
当平面力系对某点的主矩不为零时,该力系向任何一点简化的结果均不可能为一合力
【单选题】硅酸盐水泥熟料主要由哪几种矿物组成( )。
A.
硅酸三钙、硅酸二钙、铝酸二钙、铁铝酸四钙
B.
硅酸三钙、硅酸二钙、铝酸三钙、铁铝酸四钙
C.
硅酸一钙、硅酸二钙、铝酸三钙、铁铝酸钙
D.
硅酸二钙、硅酸三钙和铁铝酸四钙
【单选题】硅酸盐水泥熟料主要由哪几种矿物组成( )。
A.
硅酸三钙、硅酸二钙、铝酸三钙、铁铝酸四钙
B.
硅酸一钙、硅酸四钙、铝酸三钙、铁铝酸四钙
C.
硅酸一钙、硅酸四钙、铝酸四钙、铁铝酸四钙
D.
硅酸三钙、硅酸四钙、铝酸四钙、铁铝酸四钙
【单选题】关于平面力系的主矢与主矩,下列表述中正确的是:
A.
主矢的大小、方向与简化中心的选择无关;
B.
主矩的大小、转向一定与简化中心的选择有关;
C.
当平面力系对某点的主矩为零时,该力系向任何一点简化的结果为一合力;
D.
当平面力系对某点的主矩不为零时,该力系向任何一点简化的结果均不可能为一合力。
【单选题】关于平面力系的主矢与主矩,下列的表述中正确的是: 。
A.
主矢的大小、方向与简化中心的选择无关
B.
主矩的大小、转向一定与简化中心的选择无关
C.
当平面力系对某点的主矩为零时,该力系向任何一点简化的结果为一合力
D.
当平面力系对某点的主矩不为零时,该力系向任何一点简化的结果均不可能为一合力 .
【单选题】关于平面力系的主矢与主矩,下列表述正确的是
A.
当平面力系对某点的主矩不为零时,该力系向任何一点简化的结果均不可能 · 为一合力
B.
主矩的大小、转向一定与简化中心的选择有关 ·
C.
当平面力系对某点的主矩为零时,该力系向任何一点简化的结果为一合力
D.
主矢的大小、方向与简化中心的选择无关
【单选题】关于平面力系的主矢与主矩 , 下列表述正确的是 ( ) 。
A.
当平面力系对某点的主矩不为零时 , 该力系向任何一点简化的结果均不可能为一合力
B.
主矩的大小、转向一定与简化中心的选择有关
C.
主矢的大小、方向与简化中心的选择无关
D.
当平面力系对某点的主矩为零时 , 该力系向任何一点简化的结果为一合力
【判断题】功率集成电路 是电力电子器件技术与微电子技术相结合的产物 。
A.
正确
B.
错误
【单选题】正常情况下牙槽嵴顶距釉牙骨质界的距离,在线片上通常为
A.
<3
B.
<25
C.
<2
D.
<15
E.
<1
【简答题】文章B:请大家直接填对或错。
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