钻柱设计时应使中性点落在()上,以减少事故。
A.钻铤
B.钻杆
C.钻铤与钻杆的接头上
D.螺杆钻具上
A.钻铤
B.钻杆
C.钻铤与钻杆的接头上
D.螺杆钻具上
第6题
第8题
A、Mr. Holland persuades the girl with red hair to give up playing Clarinet, because she has no talent for that.
B、Mr. Holland encourages the girl with red hair to trust herself.
C、Mr. Holland tries every means to help the black boy named Louis Russ to play drum.
D、Mr. Holland encourages the talented girl Rowena to bravely pursue her dream to be a singer.
第9题
A、Record only new business because old business will appear in previous minutes.
B、Avoid using the exact wording of motions because that would be too time consuming.
C、Record voting results and actions taken.
D、Omit his name and signature as the person recording the minutes because he is acting on behalf of the organization.
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