皮皮学，免费搜题
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【单选题】
有关红细胞的叙述正确的是
A.
平均寿命为100天
B.
人红细胞来自骨髓和脾脏
C.
衰老的红细胞主要在肝脏破坏
D.
细胞膜老面带正电荷
E.
网织红细胞经48小时成完全的红细胞
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举一反三
【单选题】Today Chinese is becoming more and more popular. It _____ in many schools around the world.
A.
teaches
B.
is teaching
C.
has taught
D.
is taught
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【简答题】汉译英。 1. 汉语在全世界正变得越来越重要。 Chinese is becoming ______  ______  ______ ______ in the world. 2. 我就是走也要走到那儿。 I'll get there, ______ ______ I have to walk. 3. 我邀请了乔，而没邀请托尼， 因为他生病了。 I invited Joe _____ ______...
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【简答题】Chinese is becoming ______. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> (2.0分)A. popular and popular prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace...
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【单选题】Conversation 5 What does the man want to do? [音频]
A.
He wants to watch a concert by Michael Jackson on TV.
B.
He wants to invite the woman to a concert.
C.
He wants to buy tickets for a concert to please the woman.
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【单选题】易破碎、破损的商品主要采用的包装技法是()
A.
防锈包装
B.
缓冲包装
C.
真空包装
D.
吸塑包装
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【单选题】设计长期连续工作的闭式蜗杆传动，为什么需要进行热平衡计算？（ ）
A.
防止蜗杆蜗轮受热变形后不能正常啮合
B.
防止蜗杆蜗轮的材料在高温下机械性能下降
C.
防止润滑油受热后体积膨胀外溢，污染环境
D.
防止润滑油温度过高后引起变质，使润滑失效
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【简答题】Conversation 5 What can be inferred from the conversation?A. The employment is good at her job. B. The post office is more convenient than the regular post office. C. The post office is located near a...
查看完整题目与答案
【简答题】TodayChinese is becoming more and more popular. It ________ inmany schools around the world.A. teaches B. is teaching C. has taught D. is taught
查看完整题目与答案
【单选题】Conversation 5: Questions 21 to 25 are based on Conversation 5.What can be learned about the man's essay?
A.
The woman has lost the essay handed in by the man.
B.
The man’s computer has broken down and the first draft got lost.
C.
The man has turned in the essay on time.
D.
The man has already sent the essay by email.
查看完整题目与答案
【单选题】Today Chinese is becoming more and more popular. It _____ in many schools around the world. [     ]
A.
teaches
B.
has taught
C.
is taught
D.
is teaching
查看完整题目与答案
相关题目：
【单选题】Today Chinese is becoming more and more popular. It _____ in many schools around the world.
A.
teaches
B.
is teaching
C.
has taught
D.
is taught
查看完整题目与答案
【简答题】汉译英。 1. 汉语在全世界正变得越来越重要。 Chinese is becoming ______  ______  ______ ______ in the world. 2. 我就是走也要走到那儿。 I'll get there, ______ ______ I have to walk. 3. 我邀请了乔，而没邀请托尼， 因为他生病了。 I invited Joe _____ ______...
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【简答题】Chinese is becoming ______. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> (2.0分)A. popular and popular prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace...
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【单选题】Conversation 5 What does the man want to do? [音频]
A.
He wants to watch a concert by Michael Jackson on TV.
B.
He wants to invite the woman to a concert.
C.
He wants to buy tickets for a concert to please the woman.
查看完整题目与答案
【单选题】易破碎、破损的商品主要采用的包装技法是()
A.
防锈包装
B.
缓冲包装
C.
真空包装
D.
吸塑包装
查看完整题目与答案
【单选题】设计长期连续工作的闭式蜗杆传动，为什么需要进行热平衡计算？（ ）
A.
防止蜗杆蜗轮受热变形后不能正常啮合
B.
防止蜗杆蜗轮的材料在高温下机械性能下降
C.
防止润滑油受热后体积膨胀外溢，污染环境
D.
防止润滑油温度过高后引起变质，使润滑失效
查看完整题目与答案
【简答题】Conversation 5 What can be inferred from the conversation?A. The employment is good at her job. B. The post office is more convenient than the regular post office. C. The post office is located near a...
查看完整题目与答案
【简答题】TodayChinese is becoming more and more popular. It ________ inmany schools around the world.A. teaches B. is teaching C. has taught D. is taught
查看完整题目与答案
【单选题】Conversation 5: Questions 21 to 25 are based on Conversation 5.What can be learned about the man's essay?
A.
The woman has lost the essay handed in by the man.
B.
The man’s computer has broken down and the first draft got lost.
C.
The man has turned in the essay on time.
D.
The man has already sent the essay by email.
查看完整题目与答案
【单选题】Today Chinese is becoming more and more popular. It _____ in many schools around the world. [     ]
A.
teaches
B.
has taught
C.
is taught
D.
is teaching
查看完整题目与答案