题目
A.what important things
B.how important
C.how important things
D.what important
第1题
A.concept
B.thinking
C.saying
D.word
第2题
A.55%KNO₃+45%NaNO₂
B.55%KNO₃+45%NaNO₃
C.50%KNO₃+47NaNO₂+3%H₂O
D.50%KNO₃+50%NaNO₂
第5题
Because it was isolated and because the weather was almost always clear and peaceful, a spot of desert near Alamogordo was chosen as the last site for the first atomic bomb ever exploded. The secret name of the test was Zeo.
At dawn on July 16, 1945, the atomic bomb was set off. Observers agreed that they had witnessed something unlike anything ever seen by men before, a huge, colorful fireball, more brilliant than the sun flashing as it rose for miles into the air. Never before had men released so much power at one time, nor had any nation ever possessed weapon as terrible and destructive as the atomic bomb.
For several weeks, the test was kept secret. When an atomic bomb was dropped from an American plane on Hiroshima, Japan, newspapers and radio stations all over America told of the test of the bomb in New Mexico. Almost everybody was amazed to learn where the bomb had been made and tested; the deserts of the Southwest had hidden the secret well.
When news of the atomic bomb and its destructiveness was announced, people all over the world wondered what other new weapons were being prepared in the New Mexico desert. Some people doubted that the secret of making atomic bombs could be kept from other countries. Some even doubted the wisdom of using so powerful a weapon. But no one doubted that a new kind of war—and a new kind of world—had begun at Alamogordo, one summer morning in 1945.
第36题:What is the main topic of this passage?
A) The secret of Alamogordo.
B) A new kind of war.
C) The destructive force of the first atomic bomb.
D) The selection of the test site for the first atomic bomb.
第6题
A、Who are you?
B、I’m Parker.
C、Don’t you kno w me?
D、This is Parker.
第7题
A.7%KNO3,40%NaNO2,53%NaNO2
B.7%NaNO2,40%NaNO3,53%KNO3
C.7%NaNO3,40%KNO3,53%NaNO2
D.7%NaNO3,40%NaNO2,53%KNO3
第9题
A.She’s very intelligent
B.She’s very attractive
C.She’s very easygoing
D.She’s very special
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