水是生命之源,图中能正确描述水的各物理量之间的关系图象是( ) A.水的重力与

题型:选择题

问题:

水是生命之源,图中能正确描述水的各物理量之间的关系图象是(   )

A.水的重力与质量

B.水的密度与质量

C.水的比热与温度

D.水的压强与深度

考点:影响重力大小的因素液体压强的计算水的比热容的特点及其应用密度及其特性
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One Sunday morning, Millie and Amy went to Sunshine Park. They love to chat there. As usual, they sat ___1____a big tree. Suddenly, they heard a whistle from the bushes behind the tree. They turned around but could not see anything unusual. They were ____2______.
“Is   3  there?” Millie asked. Nobody answered. They  4 very carefully and heard the strange noise again. The two girls were very afraid. They ran away quickly. On their way, they met Andy.
“What happened?” Andy asked. “There’s a ghost in the  5 . Please help us.” Millie said. “Really? Tell me more.” Andy said. Millie told Andy everything. Andy went to the park,  6  beside the tree and listened carefully. Then he heard  7 noise! He looked behind the tree and heard another whisper. He was now sure the sound  8 from the bushes. He searched carefully.
“Oh! Here it is.” Andy said to himself. He  9 a little cat in the bushes. It was very weak. When it meowed,   10 made a sound like a whisper.
小题1:
A.underB.onC.behindD.in
小题2:
A.excitedB.frightenedC.frighteningD.exciting
小题3:
A.nobodyB.everybodyC.anybodyD.somebody
小题4:
A.sawB.lookedC.heardD.listened
小题5:
A.churchB.schoolC.gardenD.park
小题6:
A.roseB.sleptC.stoodD.lay
小题7:
A.aB.theC.an D.other
小题8:
A.cameB.learnedC.heardD.fell
小题9:
A.smelledB.lookedC.searched D.found
小题10:
A.heB.sheC.itD.that
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MTU12V183TA12柴油机为()柴油机。

A.6缸

B.8缸

C.12缸

D.16缸

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SLE()。

A.肉芽肿

B.纤维素样坏死

C.淀粉样变性

D.渐进性坏死

E.干酪样坏死

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合理用料有四种方法:余料统一下料法、集中下料法、统计计算下料法、()法。

题型:选择题

光学影像

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