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【简答题】
曲柄连杆机构的主要零件可以分为三组组成.即 、 、 组成。
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反馈参考答案：
举一反三
【单选题】— _____ Does this bus go to the Olympic Park? — Yes, I think so. [ ]
A.
Excuse me.
B.
Hello!
C.
Pardon me?
D.
Sorry.
【单选题】听力原文：M: Excuse me. Is this road to Tuner's Street? W: Yes. M: Is it very far from here? W: No, not very far. About an hour's walk. M: Are there any buses going there? W: Oh, yes, but the buses don't c...
A.
On his way to Turner's Street.
B.
In a bus to Turner's Street.
C.
At the bus stop.
【多选题】病历摘要：患者女性，35岁。左耳鸣伴听力减退7年，走路不稳1月，头痛伴呕吐3日。既往否认特殊病史。体检：一般检查正常。视力左1.0、右0.9。双瞳孔等大、等圆，直径3mm，光反射正常，双视神经乳头水肿。左眼外转受限，左面部感觉减退，左额纹、左鼻唇沟变浅，左耳听力丧失，伸舌居中。双眼有粗大水平性震颤，左侧肢体共济失调，Romberg征（+）。听神经鞘瘤的手术入路主要有哪些？提示：拟手术治疗（）
A.
翼点入路
B.
枕下乳突后入路
C.
Krause入路
D.
Poppen入路
E.
经迷路入路
F.
乙状窦前手术入路
【简答题】【选择填空】将下列选项填入对话中。 stop, mention, get off, fare, problem P: Excuse me. Does this bus go to St. Paul's Cathedral? D: Yes, sir. It does. P: Thank you. How much is the _____? D: Drop fifty cents in the bo...
【单选题】听力原文：M: Excuse me. Is this road to Turner's Street? W: Yes. M: Is it very far from here? W: No, not very far. About ma hour's walk. M: Are there any buses going there? W: Oh, yes, but the buses don't ...
A.
On his way to Tumer's Street.
B.
In a bus to Turner's Street.
C.
At the bus stop.
【简答题】Dialogue 7 Bus Going into Downtown --- Excuse me. Does this bus go to St. Paul ’ s Cathedral? --- Yes, sir. It does. --- Thank you. How much is the fare? --- Drop fifty cents in the box, please. --- O...
【单选题】听力原文：M: Excuse me. Is this road to Tuner’s Street? W: Yes. M: Is it very far from here? W: No, not very far. About an hour's walk. M: Are there any buses going there? W: Oh, yes, but the buses don’t c...
A.
On his way to Turner's Street.
B.
In a bus to Turner's Street.
C.
At the bus stop.
【简答题】民事法律行为有效的实质要件有哪些?
【多选题】开口毛细管色谱柱在使用一段时间后出现柱效下降(分离能力降低、色谱峰扩张变形),可能的原因是( )。
A.
色谱柱进样端固定液流失
B.
色谱柱内固定液分布不均匀
C.
色谱柱内固定液性能改变
D.
流失的固定液污染了检测器
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