如图所示为“制造云和雨”的实验装置，在一只加少许湿沙子的大烧_爱下问搜题

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问题填空题

如图所示为“制造云和雨”的实验装置，在一只加少许湿沙子的大烧杯口盖一只盘子，盘里放入一些冰块，给烧杯加热。则该实验中发生的物态变化有_______ 、_______ 、 ______________ 。

答案

汽化(或蒸发)；液化；熔化

选择题

Experiments of this kind ___in both the U．S and Europe well before the Second World War．

A．had conducted

B．have conducted

C．have been conducted

D． had been conducted

完形填空

May was born with a cleft palate(腭裂). When she was a little girl, she had to 36 the jikes from naughty chidren who teased her about her misshaped lip. With all the teasing, Mary grew up 37 the fact that she was“diffrernt”. She was 38  that no one, outside her family,could ever love her until she 39 Mrs. Leonard's class.
In Mrs. Leonards' school at that time, it was   40  for teachers to give their children an annual 41  test. However, in Mary's case, 42 her cleft palate, she was hardly able to hear out of one ear.   43 not to let the other children have another“ 44 "to point out, she would 45  when her bad ear was tested each year. The “hearing test”was 46 by having a child walk to the classroom door,turn sideways, 47 one ear with a fingre, and then   48  what the teacher whispered. When Mary had to turn her bad ear towards her teacher she would 49  to cover her good ear. She knew that teachers   50  often say things like,“The sky is blue,”or“What color are your shoes?”But not on that day. Surely, God   51  seven words in
Mrs. Leonard's mouth that   52  Mary's life forever. When the test came, Mary heard:“ I wish you were my little girl.”You can imagine how deeply these words   53  Mary.
Yes, affirming (肯定）words are   54  to say to the people around you. While words from
a godly teacher can soften a heart, words form you can powerfully set the    55   of another
One's life.

B．in addition to

D．in spite of