题目:
Dorothy Brown was very happy as she sat in the theatre listening to the music. Today her little daughter Lauren was giving her 36 concert. She had been waiting for this 37 for years and years. “Now it is here at last,” she thought. “How beautiful her 38 is.
The song made her 39 to the days when she was Lauren’s 40 . As a young 41 , Dorothy wanted to be a concert singer. She studied 42 in France, Italy and in the United States, “You can become a fine 43 in the future, ” her teachers told her. “But you must be 44 to study hard and work for many years. There will be 45 time for anything but music in your life.” Dorothy was 46 at that time and she was 47 that music was all she wanted or needed to 48 her life. For almost a year Dorothy 49 of nothing else. Then she 50 David, a young engineer travelling in Europe. They soon fell in 51 .
David asked her to be his 52 . Dorothy also wanted to marry David. But she loved 53 , 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 54 do both.” Thus her days were gone and would never return. Now Lauren became a singer instead of her, which was her 55 .
小题1:
A.sorry
B.successful
C.first
D.wonderful小题2:
A.dance
B.moment
C.show
D.party小题3:
A.voice
B.face
C.dress
D.life小题4:
A.think of
B.bring back
C.go back
D.come back小题5:
A.age
B.friend
C.mother
D.teacher小题6:
A.musician
B.pop star
C.lady
D.girl小题7:
A.French
B.music
C.piano
D.dance小题8:
A.actress
B.student
C.singer
D.dancer小题9:
A.prepared
B.learning
C.driven
D.waiting小题10:
A.some
B.any
C.no
D.enough小题11:
A.eight
B.eighteen
C.eighty
D.eighty-eight小题12:
A.lucky
B.sure
C.afraid
D.fond小题13:
A.fill
B.live
C.lead
D.take小题14:
A.heard
B.knew
C.talked
D.thought小题15:
A.saw off
B.learned from
C.heard of
D.met with小题16:
A.love
B.feeling
C.music
D.touch小题17:
A.assistant
B.teacher
C.wife
D.student小题18:
A.him
B.engineering
C.herself
D.music小题19:
A.certainly
B.possibly
C.only
D.mainly小题20:
A.thought
B.hope
C.purpose
D.will
答案:
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答案:B题目分析:镁铝合金与硫酸反应生成硫酸镁、硫酸铝与氢气,向反应后的溶液中加入0.2 mol•L-1 NaOH溶液至沉淀质量恰好不再变化,铝离子转化为偏铝酸根、镁离子转化为氢氧化镁沉淀,此时溶液中溶质为Na2SO4...