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【多选题】
下列各种事件中,一定产生进程状态改变的事件是
A.
运行的进程因种种原因而阻塞
B.
新进程创建成功
C.
运行的进程正常退出
D.
阻塞的进程被唤醒
E.
运行的进程时间片用完
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举一反三
【单选题】我国谚语中的“螳螂捕蝉，黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中，捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入改变了该生态系统能量流动的方向
查看完整题目与答案
【单选题】我国谚语中的“螳螂捕蝉,黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中,捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入增加了该生态系统能量流动的方向
查看完整题目与答案
【单选题】'When one of the doctors criticizes(批评) me, I get defensive. I feel like a child again, being scolded, and I want to explain that I' m not wrong. 'says Viola, a nurse. This s a common reaction(反应) to ...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for what he did
D.
was sad and self-pitying
查看完整题目与答案
【单选题】—I’m sorry, but I didn’t mean out your secret. —But you know, letting out one’s secret means one’s feelings.
A.
to let; to hurt
B.
letting; hurting
C.
to let; hurting
D.
letting; to hurt
查看完整题目与答案
【单选题】听力原文：M: Wow. I slept like a log. For one, I really feel rested and ready to go. W: Hold it a second. How about treating ourselves to breakfast in bed for a change. Q: What can we learn from this dialo...
A.
They had a sound sleep last night.
B.
They had a telephone call, but the line was engaged.
C.
They stayed in bed.
D.
After breakfast, she would go to see a doctor for treatment.
查看完整题目与答案
【单选题】消费者购买X、Y两种商品，假设X商品的价格为5，Y商品的价格为7，边际替代率MRSxy=0.5，消费者为了达到最大效用，他应当（ ）
A.
增加X的购买量，减少Y的购买量
B.
增加Y的购买量，减少X的购买量
C.
增加X的购买量，同时增加Y的购买量
D.
减少X的购买量，同时减少Y的购买量
查看完整题目与答案
【简答题】What is NOT true of the effectiveness of 'sunscreen', according to the last paragraph?
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【单选题】According to the fifth parag,aph，what is the suggested method to control underground fires?
A.
Using remote sensing technique．
B.
Controlling the release of carbon dioxide．
C.
Making the soil heat resistant．
D.
Cutting off the oxygen supply．
查看完整题目与答案
【单选题】'When one of the doctors criticizes me, I get defensive. I feel like a child again, being scolded, and I want to explain that I'm not wrong,' says Viola, a nurse. This is a common reaction to criticis...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for himself
D.
was sad but confident
查看完整题目与答案
【单选题】How do you feel? [     ]
A.
I'm very cold.
B.
I'm okay.
查看完整题目与答案
相关题目：
【单选题】我国谚语中的“螳螂捕蝉，黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中，捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入改变了该生态系统能量流动的方向
查看完整题目与答案
【单选题】我国谚语中的“螳螂捕蝉,黄雀在后”体现了食物链的原理。若鹰迁入了蝉、螳螂和黄雀所在的树林中,捕食黄雀并栖息于林中。下列叙述正确的是
A.
鹰的迁入增加了该树林中蝉及其天敌的数量
B.
该生态系统中细菌产生的能量可流向生产者
C.
鹰的迁入增加了该生态系统能量消耗的环节
D.
鹰的迁入增加了该生态系统能量流动的方向
查看完整题目与答案
【单选题】'When one of the doctors criticizes(批评) me, I get defensive. I feel like a child again, being scolded, and I want to explain that I' m not wrong. 'says Viola, a nurse. This s a common reaction(反应) to ...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for what he did
D.
was sad and self-pitying
查看完整题目与答案
【单选题】—I’m sorry, but I didn’t mean out your secret. —But you know, letting out one’s secret means one’s feelings.
A.
to let; to hurt
B.
letting; hurting
C.
to let; hurting
D.
letting; to hurt
查看完整题目与答案
【单选题】听力原文：M: Wow. I slept like a log. For one, I really feel rested and ready to go. W: Hold it a second. How about treating ourselves to breakfast in bed for a change. Q: What can we learn from this dialo...
A.
They had a sound sleep last night.
B.
They had a telephone call, but the line was engaged.
C.
They stayed in bed.
D.
After breakfast, she would go to see a doctor for treatment.
查看完整题目与答案
【单选题】消费者购买X、Y两种商品，假设X商品的价格为5，Y商品的价格为7，边际替代率MRSxy=0.5，消费者为了达到最大效用，他应当（ ）
A.
增加X的购买量，减少Y的购买量
B.
增加Y的购买量，减少X的购买量
C.
增加X的购买量，同时增加Y的购买量
D.
减少X的购买量，同时减少Y的购买量
查看完整题目与答案
【简答题】What is NOT true of the effectiveness of 'sunscreen', according to the last paragraph?
查看完整题目与答案
【单选题】According to the fifth parag,aph，what is the suggested method to control underground fires?
A.
Using remote sensing technique．
B.
Controlling the release of carbon dioxide．
C.
Making the soil heat resistant．
D.
Cutting off the oxygen supply．
查看完整题目与答案
【单选题】'When one of the doctors criticizes me, I get defensive. I feel like a child again, being scolded, and I want to explain that I'm not wrong,' says Viola, a nurse. This is a common reaction to criticis...
A.
argued bitterly with his employer
B.
was angry and gave up his job
C.
was sorry for himself
D.
was sad but confident
查看完整题目与答案
【单选题】How do you feel? [     ]
A.
I'm very cold.
B.
I'm okay.
查看完整题目与答案