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【单选题】
在天然地层中钻孔至稳定地层中,插入(),在灌注水泥砂浆,利用锚固段的抗拔能力,维持土体或岩体的或地基稳定。A.
抗滑桩
B.
锚拉杆
C.
挡土墙
D.
水泥管
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举一反三
【单选题】Which of the following is NOT Sharon's advice on checking your credit scores?
A.
Keep a copy of your credit report.
B.
Show your partner the credit report.
C.
Try to know your credit score.
D.
Lock your credit report away.
【单选题】The painting is not a (n) ______ works; it is a copy.
A.
original
B.
crude
C.
true
D.
fresh
【单选题】在SE序列中，射频脉冲激发的特征是（）
A.
a<90°
B.
90°-90°
C.
90°-180°
D.
90°-180°-180°
E.
180°-90°-180°
【单选题】Which of the following is NOT true?
A.
After injection, the embryo gets a copy of the new gene as it divides.
B.
The injection method is less good because the new gene sometimes fails to join the embryo's genes.
C.
The retrovirus multiplies after it enters the cell.
D.
the incorporating method is less simple but better.
【简答题】肥胖病发生的主要诱因是( )。
【单选题】Which of the following is NOT true?
A.
After injection, the embryo gets a copy of the new gene as it divides.
B.
The injection method is less good because the new gene sometimes fails to join the embryo's genes.
C.
The retrovirus multiplies after it enters the cell.
D.
The incorporating method is less simple but better.
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