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【单选题】
下列刀具材料中,不适合高速切削的刀具材料是()。A.
高速钢
B.
硬质合金
C.
涂层硬质合金
D.
陶瓷
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举一反三
【单选题】患者，女性，32岁，曾患游走性关节疼痛多年，近7个月来心悸、气短，近一个月来双下肢浮肿，查体：颈静脉怒张，肝在肋缘下3cm，二尖瓣听诊区可闻及双期杂音。根据上述表现可诊断为
A.
风湿性心瓣膜病二尖瓣狭窄
B.
二尖瓣关闭不全
C.
二尖瓣狭窄合并二尖瓣关闭不全
D.
二尖瓣狭窄和关闭不全合并心衰
E.
二尖瓣关闭不全合并心衰
【简答题】大脑皮质的功能定位?
【单选题】Parents ____ bring up their children under 16 and educate them properly.
A.
could
B.
may
C.
might
D.
ought to
【简答题】Under them, up to a dozen faculty members of both nationalities will
offer a variety of courses at the ’s level. The Americans studying
with Chinese professors will concentrate on China.
【简答题】简述大脑皮质的功能定位。
【单选题】患者，女，32岁，风心病二尖瓣狭窄并关闭不全、全心衰6年，每年冬季好发心衰，平日坚持服用地高辛及利尿剂。近10天来咳嗽吐黄痰、发热，2天来心跳加速、气短加重入院。体检：T：38℃，BP：100／70mmHg，R：28次／min，神清，半卧位，口唇、面颊、甲床紫绀，可见颈静脉怒张，心界扩大，心率120次／min，律整，两肺满布干、湿啰音，肝肋下2指，脾（-），无腹腔积液，双下肢可凹性水肿。责任护士遵...
A.
询问有无头痛、头晕、黄视、绿视
B.
询问患者有无食欲不振、恶心、呕吐
C.
询问有无四肢麻木、针刺样疼痛
D.
听心律是否存在由原来规则变为不规则，或不规则变为规则
E.
听心率有无低于60次／min
【简答题】Li Hu makes many hats and one day he goes to the town to sell them. It is very hot and he wants to sit down under a tree. He 1 a big tree and goes to sit there. He puts a hat on his head. Then he slee...
【简答题】请翻译此段落。 Shortly, however, I had my life under control. I managed to go to class on time, do my first assignments and hand them in, and pass my first exams with fairly good grades. In addition, I made ...
【简答题】The miser and his gold Once upon a time there was a miser. He hid his gold under a tree. Every week he used to dig it up. One night a robber stole all the gold. When the miser came again, he found not...
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