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【单选题】
下列哪种细胞器不属于细胞内膜系统的细胞器?()
A.
溶酶体
B.
内质网
C.
过氧化物酶体
D.
高尔基体
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【单选题】Tom sits ____ the classroom while John sits ____ the room. [     ]
A.
in front of; at back of
B.
in the front of; at the back of
C.
in front of; at the back of
D.
in the front of; at back of
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【单选题】---Where do Tom and John sit ? --- Tom sits __________ of the room and John sits _________ of the room.
A.
in front; at back
B.
in the front; at the back
C.
in front; at the back
D.
in the front; at back
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【简答题】（13分）现有下列短周期元素性质的相关数据： ① ② ③ ④ ⑤ ⑥ 原子半径（10－10m） 1.30 0.82 0.99 1.11 0.90 1.18 最高或最低化合价 +2 +3 +7 +4 +2 +3 －1 －4 请回答下列问题： （1）②和③形成的化合物类型为 （填“离子”或“共价”）化合物； （2）元素①的金属性比元素⑥要 （填“强”或“弱”），试从原子结构方面解释其原因： ； （3）...
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【简答题】句型转换。 1. Many students get to school by bus . (划线提问) _____ do many students _____ to school? 2. Mr. Li usually has a walk after dinner. (改为一般疑问句) _____ Mr. Li usually  _____  a walk after dinner? 3. I...
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【单选题】The "school community" (Line 4, Para. 3 ) the author refers to woul
A.
The ///"school community///" (Line 4, Para. 3 ) the author refers to would probably include_________. A．students
B.
students and parents
C.
students, parents and teachers
D.
teachers and students
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【单选题】Since Chicago is north of Washington, and Washington is north of Charleston, Chicago is north of Charleston.
A.
Chicago is north of Washington. Washington is north of Charleston. _____________________________ ∴ Chicago is north of Charleston.
B.
Chicago is north of Charleston. Washington is north of Charleston. ____________________________ ∴ Chicago is north of Washington.
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【单选题】Sandy sits in front of Amy, but behind Simon. So Sandy sits ______ Amy ______ Simon. [     ]
A.
next; to
B.
next to; beside
C.
between; and
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opposite; at
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【单选题】十二指肠钩虫口囊的特征是
A.
背侧前缘有1对板齿
B.
腹侧前缘有1对板齿
C.
腹侧前缘有2对钩齿
D.
背侧前缘有2对钩齿
E.
腹侧后缘有2对板齿
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【单选题】If an American friend visits you, he probably ______.
A.
sits straight
B.
never sits down
C.
makes fun of you
D.
sits freely
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相关题目：
【简答题】用some/any填空。 1. There are _____ books on the desks. 2. —Are there _____ students on the playground? —No,  there aren't. 3. There isn't _____ water in the bottle. 4. —Can I ask you _____ questions,  Lu...
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in the front of; at the back of
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in front of; at the back of
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in the front of; at back of
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【单选题】---Where do Tom and John sit ? --- Tom sits __________ of the room and John sits _________ of the room.
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in front; at back
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in the front; at the back
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in front; at the back
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in the front; at back
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【简答题】句型转换。 1. Many students get to school by bus . (划线提问) _____ do many students _____ to school? 2. Mr. Li usually has a walk after dinner. (改为一般疑问句) _____ Mr. Li usually  _____  a walk after dinner? 3. I...
查看完整题目与答案
【单选题】The "school community" (Line 4, Para. 3 ) the author refers to woul
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The ///"school community///" (Line 4, Para. 3 ) the author refers to would probably include_________. A．students
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students and parents
C.
students, parents and teachers
D.
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【单选题】Since Chicago is north of Washington, and Washington is north of Charleston, Chicago is north of Charleston.
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Chicago is north of Washington. Washington is north of Charleston. _____________________________ ∴ Chicago is north of Charleston.
B.
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【单选题】Sandy sits in front of Amy, but behind Simon. So Sandy sits ______ Amy ______ Simon. [     ]
A.
next; to
B.
next to; beside
C.
between; and
D.
opposite; at
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【单选题】十二指肠钩虫口囊的特征是
A.
背侧前缘有1对板齿
B.
腹侧前缘有1对板齿
C.
腹侧前缘有2对钩齿
D.
背侧前缘有2对钩齿
E.
腹侧后缘有2对板齿
查看完整题目与答案
【单选题】If an American friend visits you, he probably ______.
A.
sits straight
B.
never sits down
C.
makes fun of you
D.
sits freely
查看完整题目与答案