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【单选题】
出让人应当至少在投标、拍卖或者挂牌开始日前（ ）日发布招标、拍卖或者挂牌公告，公布招标、拍卖、挂牌出让土地的基本情况和招标、拍卖、挂牌的时间、地点。A.
7
B.
10
C.
15
D.
20
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【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...
【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
【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
【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）...
【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...
【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
【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.
【单选题】Chicago sits _____ Lake Michigan, one of North America's great lakes.
A.
next to
B.
last to
C.
besides to
D.
addition to
【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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