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【单选题】
初孕妇,28岁,一胎宫内孕34。入院检查:子宫底部触及胎儿部分圆而硬有浮球感,耻骨联合上方触之较软而宽不规则,母体腹部右前方触及胎儿部分较平坦。该孕妇的胎方位是
A.
骶左前
B.
骶右后
C.
骶右前
D.
骶左后
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【简答题】Paul is never quiet ,he can-t stop__ t _________.
【单选题】下列旅游事故不属于旅游安全事故的是( _______ )。
A.
交通事故
B.
治安事故
C.
游客食物中毒
D.
航班因天气原因取消
【单选题】He’s never been to the Great Wall, _______?
A.
is he
B.
isn’t he
C.
hasn’t he
D.
has he
【单选题】He's never been to Japan, _____? [     ]
A.
is he
B.
has he
C.
isn't he
D.
hasn't he
【单选题】--He’s never late for school, __________? --Yes, he is.
A.
isn’t he            
B.
is he                 
C.
doesn’t he
【单选题】He never tells a lie, ______ he?
A.
doesn't he
B.
does he
C.
isn't
【单选题】He's never been to a foreign country, ________? [     ]
A.
isn't he
B.
is he
C.
has he
D.
hasn't he
【多选题】影响切削温度的因素有哪些?
A.
工件材料
B.
切削用量
C.
刀具几何参数
D.
刀尖圆弧半径、切削液等其他因素
【单选题】He's never late for class, ________? [     ]
A.
is he
B.
has he
C.
isn't he
D.
hasn't he
【简答题】影响切削温度的因素有哪些?