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【简答题】
设【图片】为顺次连接【图片】的折线，则积分【图片】的值是 .
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【简答题】一圆锥的侧面展开图是半径为2的半圆，则该圆锥的全面积是 ▲ .
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【多选题】高等植物的嫩叶首先出现缺绿症,可能是缺乏了下列元素中的 ( ) 。
A.
磷
B.
镁
C.
硫
D.
铁
查看完整题目与答案
【单选题】Wherever he traveled in those days, he always _______ down what he saw and heard.
A.
writes
B.
has written
C.
wrote
D.
had written
查看完整题目与答案
【单选题】.He said he _________ experiments those days.
A.
was doing
B.
had been doing
C.
has been doing
D.
is doing
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【多选题】高等植物的嫩叶首先出现缺绿症，可能是缺乏了下列元素中的（ ）。
A.
镁
B.
磷
C.
硫
D.
铁
查看完整题目与答案
【简答题】一圆锥的侧面展开图是半径为2的半圆，则该圆锥的全面积是 .
查看完整题目与答案
【简答题】棱锥的侧面都是（    ）形，圆锥的侧面展开图是（    ）形。
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【简答题】已知圆锥的侧面展开图是直径为8cm的半圆，则这个圆锥的侧面积是 cm 2 .
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【简答题】2005年是自治区成立（ ）、（ ）是自治区第一个百万农奴解放纪念日。
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【单选题】In those days, he would go to Mr. Black and his family, __________.
A.
where he was treated as part of them
B.
for whom it was good
C.
that was the most important part of his life
D.
with whom he had a wonderful time
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【简答题】一圆锥的侧面展开图是半径为2的半圆，则该圆锥的全面积是 ▲ .
查看完整题目与答案
【多选题】高等植物的嫩叶首先出现缺绿症,可能是缺乏了下列元素中的 ( ) 。
A.
磷
B.
镁
C.
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【单选题】Wherever he traveled in those days, he always _______ down what he saw and heard.
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B.
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C.
wrote
D.
had written
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【单选题】.He said he _________ experiments those days.
A.
was doing
B.
had been doing
C.
has been doing
D.
is doing
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【多选题】高等植物的嫩叶首先出现缺绿症，可能是缺乏了下列元素中的（ ）。
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D.
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【简答题】一圆锥的侧面展开图是半径为2的半圆，则该圆锥的全面积是 .
查看完整题目与答案
【简答题】棱锥的侧面都是（    ）形，圆锥的侧面展开图是（    ）形。
查看完整题目与答案
【简答题】已知圆锥的侧面展开图是直径为8cm的半圆，则这个圆锥的侧面积是 cm 2 .
查看完整题目与答案
【简答题】2005年是自治区成立（ ）、（ ）是自治区第一个百万农奴解放纪念日。
查看完整题目与答案
【单选题】In those days, he would go to Mr. Black and his family, __________.
A.
where he was treated as part of them
B.
for whom it was good
C.
that was the most important part of his life
D.
with whom he had a wonderful time
查看完整题目与答案