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【单选题】
从信息源来的未经处理的事实是( )。A.
一级信息
B.
二级信息
C.
三级信息
D.
四级信息
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反馈参考答案：
举一反三
【简答题】固体物理通常将晶体简化成为由( )和( )组成;
【单选题】The largest shark known to us, Megalodon, is extinct. Or is it? Carcharodon Megalodon, commonly known as Megalodon, is believed to have lived between 1 million and 5 million years ago and thought to h...
A.
Megalodon, the largest shark, is extinct
B.
Megalodon is not extinct but just out of reach
C.
Megalodon was 52 feet long and had a jaw 7 or more feet wide
D.
Megalodon lived between several million years ago
【简答题】“材料采购”科目借方登记材料的实际成本，贷方登记入库材料的计划成本。借方大于贷方表示节约，从本科目贷方转入“材料成本差异”科目的借方；贷方大于借方表示超支，从本科目借方转入“材料成本差异”科目的贷方；期末一般为借方余额，反映企业在途材料的采购成本。（ ）
【单选题】The coach asked us to ______and touch our toes. It was quiet difficult.
A.
bend down
B.
lie down
C.
put down
D.
sit down
【单选题】The news that he fought with his coach surprised us, ________?
A.
did he
B.
didn’t it
C.
didn’t he
D.
did it
【单选题】In most western countries, on April Fool’s Day, people often play trick on each other; children especially have great fun.
A.
a; a
B.
the; the
C.
a; /
D.
/; a
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