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Dorothy Brown was very happy as she sat in the theatre listening to the music. Today her little daughter Lauren was giving her ___1___ concert. She had been waiting for this __2__ for years and years. “Now it is here at last,” she thought. “How beautiful her ___3___ is.” The song made her ___4___ to the days when she was Lauren’s ___5___. As a young ___6___, Dorothy wanted to be a concert singer. She studied ___7___ in France, Italy and in the United States. “You can become a fine ___8___ in the future,” her teachers told her. “But you must be ___9___ to study hard and work for many years. There will be ___10___ time for anything but music in your life.” Dorothy was ___11___ at that time and she was ___12___ that music was all she wanted or needed to ___13___ her life. For almost a year Dorothy  ___14___  of nothing else. Then she ___15___ David,  a young engineer traveling Europe. They soon fell in ___16___. David asked her to be his ___17___. Dorothy also wanted to marry David. But she loved ___18___, too. She didn’t know what to do. David was against her being a singer. He said, “If you want to be a singer, you must forget about getting married. You can’t ___19___ do both.” Thus her days were gone and would never return. Now Lauren became a singer instead of her, which was her ___20___. 1. A. sorry                       B. successful             C. first                      D. wonderful 2. A. dance                      B. moment                C. show                    D. party 3. A. voice                       B. face                      C. dress                    D. life 4. A. think of                   B. bring back            C. go back                D. come back 5. A. age                          B. friend                   C. mother                 D. teacher 6. A. musician                  B. pop star                C. lady                     D. girl 7. A. French                     B. music                   C. piano                    D. dance 8. A. actress                     B. student                 C. singer                   D. dancer 9. A. prepared                  B. learning                C. driven                  D. waiting 10. A. some                     B. any                      C. no                      D. enough 11. A. eight                      B. eighteen                C. eighty                   D. eighty-eight 12. A. lucky                     B. sure                      C. afraid                   D. fond 13. A. fill                        B. live                      C. lead                      D. take 14. A. heard                     B. knew                    C. talked                   D. thought 15. A. saw off                 B. learned from         C. heard of               D. met with 16. A. love                       B. feeling                  C. music                   D. touch 17. A. assistant                 B. teacher                 C. wife                     D. student 18. A. him                       B. engineering           C. herself                  D. music 19. A. certainly                B. possibly                C. only                     D. mainly 20. A. thought          B. hope                   C. purpose                D. will
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【简答题】为了探究“声的传播是否需要介质”,有人建议以下几个实验方案: 方案①:把正在响的闹钟放在玻璃罩内,逐渐抽出其中的空气,铃声逐渐减小; 方案②:把正在发声的音叉放入水面,水上溅起水花; 方案③:吹响笛子后,按不同的孔发出不同的声音; 方案④:将音叉发出的声音信号输入到示波器上,观察波形. 你认为最能说明所探究问题的实验方案是______(选填以上数字符号).
【多选题】下面有关电阻讲述正确的是( )。
A.
导体对电流的阻碍作用就叫该导体的电阻
B.
电阻的单位是欧姆
C.
电阻可分为交流电阻和直流电阻
D.
电阻的符号是R
E.
导体的长度、材料相同时,横截面积越大,电阻越小
【单选题】产后出血原因中,下列何项首先考虑切除子宫
A.
宫缩乏力
B.
胎盘滞留
C.
胎盘粘连
D.
胎盘植入
E.
胎盘嵌顿
【多选题】下面有关电阻讲述正确的是( )
A.
导体对电流的阻碍作用就叫该导体的电阻
B.
电阻的单位是欧姆
C.
电阻可分为交流电阻和直流电阻
D.
电阻的符号是R
【判断题】肺泡表面张力可因表面活性物质的作用而减少。
A.
正确
B.
错误
【单选题】将正在发出声音的音叉放入水中,能观察到音叉周围溅起许多水花。这说明 ( )
A.
发出声音的音叉在振动
B.
超声波具有能量
C.
声音从空气传入水中响度会变大
D.
声音从空气传入水中速度会变小
【单选题】根据《银行业金融机构从业人员职业操守指引》,从业人员应当尊重客户,了解客户需求,依法保护客户权益和客户信息。下列做法错误的是()。
A.
从业人员不得采取隐瞒或误导等不正当手段,损害客户权益
B.
从业人员应当执行首问负责制,诚待客户,语言文明举止大方,提供优质服务
C.
从业人员不得因国籍、地区、肤色、民族、性别、年龄、宗教信仰、健康情况或其他因素等差异而歧视客户
D.
从业人员可以不向客户详细提示销售产品与客户无直接关系的特点和风险
【判断题】肺泡表面张力可因表面活性物质的作用而减少
A.
正确
B.
错误
【单选题】关于X线管容量的计算中,管电压、管电流的叙述,正确的是 ( )
A.
管电压是峰值、管电流是平均值
B.
管电压是有效值、管电流是有效值
C.
管电压是有效值、管电流是平均值
D.
管电压是峰值、管电流是峰值
E.
管电压是平均值、管电流是有效值
【多选题】下面有关电阻讲述正确的是
A.
导体对电流的阻碍作用就叫该导体的电阻
B.
电阻的单位是欧姆
C.
电阻可分为交流电阻和直流电阻
D.
电阻的符号是R
E.
导体的长度、材料相同时,横截面积越大,电阻越小
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