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【单选题】
关于近视,说法不正确的是A.
眼轴长度正常而晶状体曲折力过强可引起近视
B.
晶状体曲折力正常而眼球前后轴过长可引起近视
C.
预防近视是保护学生视力的核心
D.
近视就是视力低下
E.
少年儿童视力状况与视觉器官的发育密切关联
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【单选题】神经细胞静息电位的形成机制（）
A.
K + 平衡电位
B.
K + 外流+Na + 内流
C.
K + 外流+Cl外流
D.
Na + 外流+Cl内流
E.
Na + 内流+K + 内流
【单选题】神经细胞静息电位的形成机制是（）
A.
K + 平衡电位
B.
K + 外流+Na + 内流
C.
K + 外流+Cl - 外流
D.
Na + 外流+Cl - 内流
E.
Na + 内流+K + 内流
【判断题】前秦符坚建元二年 (公元366年)有沙门乐尊者行至此处,见鸣沙山上金光万道,状有千佛,于是萌发开凿之心,后历建不断,遂成佛门圣地,号为敦煌莫高窟,俗称千佛洞。( )
A.
正确
B.
错误
【简答题】完成句子。 1. She has a lot of experience _____ (应对) agers' problems. 2. What would you do if you burned yo urself _____ (偶然地). 3. The window is broken. Please _____ (查明) who did that. 4. You should __...
【单选题】You are the administrator for Company.com's network. Exams, who works in Financial department, wants to update the printer connected to her Windows 2000 Professional computer so that she can print gr...
A.
Display the Advanced Attributes dialog box for the printer driver file. Install the driver if the Contents have been secured.
B.
Run File Signature Verification to verify that the new driver has a Microsoft digital signature. Do Not install the driver if it does not have the signature.
C.
Install the driver. Logon to the computer. If the computer fails after installing the driver, restart The computer. Then use the last known good configuration to recover the original driver.
D.
Install the driver. Logon to the computer. If the computer fails after installing the driver, use the Hardware troubleshooter. Then use the Recovery Console to recover the original driver.
【单选题】神经细胞静息电位的形成机制
A.
K 十平衡电位
B.
K 十外流＋ Na 十内流
C.
K 十外流＋ C1- 外流
D.
Na 十内流＋ Cl- 内流
E.
Na 十内流＋ K 十内流
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