钢丝绳绳夹应与钢丝绳匹配，数量不得少于（）个。
A. 6.0
B. 5.0
C. 4.0
D. 3.0
如果借款人主动提前归还贷款，会计部门需按（）计收贷款利息，收回贷款。
A. 按合同天数
B. 实际发生天数
C. 实际天数
D. 按约定天数
A victim is coughing and wheezing from a partialobstruction of the airway. An observer should （）.
A. perform the Heimlich maneuver
B. immediately start CPR
C. give back blows and something to drink
D. allow the person to continue coughing and dislodge the obstruction on his ow
歌曲《八角楼的灯光》歌颂的对象是谁？他在八角楼写下了哪两篇光辉著作？
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