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【单选题】
具有两个曲柄的铰链四杆机构称为（）。A.
曲柄摇杆机构
B.
双曲柄机构
C.
双摇杆机构
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反馈参考答案：
举一反三
【单选题】You’re hosting a dinner party at a restaurant. Included are two other couples, and your most valuable client and his wife. You instruct the waiter to:
A.
serve you and your spouse last.
B.
serve your spouse first.
C.
serve your friend’s spouse first.
D.
serve your client last.
【简答题】基准面可用来(),作图平面则不能
【简答题】适应智能差异的教学方法就是掌握学习。
【单选题】You’re hosting a dinner party at a restaurant. Included are two other couples, and your most valuable client and his wife. You instruct the waiter to:
A.
serve your spouse first.
B.
serve your friend’s spouse first.
C.
serve you and your spouse last.
D.
serve your client last.
【单选题】1997年某公司为响应国家鼓励开发未利用土地的政策，在土地利用总体规划规定的可开垦的区域内，开发一块国有荒地。该公司作为开发利用者，对该块荒地依法享有( )。
A.
土地产权
B.
土地使用权
C.
土地所有权
D.
土地处分权
【简答题】玻璃是用 、纯碱、长石、石灰等为主要原料,在1550~1600°C高温下熔融、成型、并经急冷而成的固体材料。
【单选题】You’re hosting a dinner party at a restaurant. Included are two other couples, and your most valuable client and his wife. You instruct the waiter to:
A.
serve yourself first.
B.
serve your spouse first.
C.
serve your client’s spouse first.
D.
serve you and your spouse last.
【简答题】基准平面可用来(),作图平面则不能。
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