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【多选题】
膨胀土路堤填筑时，下列说法正确的是( )。A.
强膨胀土不得作为路堤填料
B.
对于直接使用强膨胀土填筑路堤时，应及时对及顶部进行防护
C.
中等膨胀土宜经过加工、改良处理后作为填料
D.
膨胀土改性处理的掺灰最佳配比，以其掺灰后胀缩总率不超过1.7％为宜
E.
弱膨胀土若胀缩总率不超过0.7％，可直接填筑
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【单选题】IP地址11001101 11110111 10000011 00001111的点分十进制为( )
A.
205.247.131.15
B.
205.237.131.15
C.
205.247.151.15
D.
205.247.31.15
【单选题】There is no illness harder to cope with than depression. The statement is .
A.
a fact
B.
an opinion
C.
a mixture of fact and opinion
【单选题】Which of the following statement is no true about Malcolm X? ( Paragraph 1)
A.
He died from a secret killing.
B.
He was a leader in American civil rights movement.
C.
He changed his surname after joining the Nation of Islam
D.
An biography about his life experience was written after his death.
【简答题】“lexical gap” can be alsocalled__________.
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