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Which of the following devices areaffected by the bug? A) iPhones with operating systems 8.0 and up. B) Cell phones with operating systems 8.0 and up. C) iPod touches with operating systems 7.0 and up. D) Apple devices with operating systems 7.0 and up. 2. What may happen if one manually sets thedate on the iPhone to January 1, 1970? A) It may turn back to the greeting screen. B) It may freeze up at once. C) It may fail to restart. D) It may turn off automatically. 3. Why was the man charged? A) He aroused national excitement. B) He killed 180 people and destroyed more than 1,800 homes. C) He set a fire causing death and lighting a wildfire. D) He hunted endangered species of wildlife near Churchill. 4. What can we know about the man who wascharged? A) He was arrested in order to protect him. B) His behavior aroused the whole nation ’ s rage. C) His identity was not a secret any more. D) He was taken to Morwell after being arrested.
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【简答题】R、L、C串联电路,当频率f=f0时, 电路发生谐振,当f> f0时电路呈_______性
【判断题】应用语言学在英美等国可以是语言规划、辞书编纂。
A.
正确
B.
错误
【单选题】关于血糖浓度调节的叙述,不正确的是
A.
胰岛素和肾上腺素可降低血糖浓度
B.
胰高血糖素是升高血糖浓度最重要的激素
C.
糖皮质激素和生长激素主要刺激糖异生作用
D.
肝脏功能异常可引起异常糖代谢
E.
血糖水平保持恒定是糖、脂肪、氨基酸代谢协调的结果
【单选题】关于血糖调节的叙述,不正确的是
A.
胰岛素和肾上腺素可降低血糖浓度
B.
胰高血糖素是升高血糖浓度最重要的激素
C.
糖皮质激素和生长激素主要刺激糖异生作用
D.
肝脏功能异常可引起异常糖代谢
E.
血糖水平保持恒定是糖、脂肪、氨基酸代谢协调的结果
【简答题】R、L、C串联电路,当频率f=f0时, 电路发生谐振,当f> f0时电路呈_______性,当f
【单选题】胰高血糖素对糖代谢调节作用的叙述正确的是:
A.
激活糖原合成酶
B.
抑制肝糖原分解
C.
可抑制2、6-双磷酸果糖的合成
D.
可抑制激素敏感脂肪酶
E.
抑制磷酸烯醇式丙酮酸羧基酶
【单选题】COPD主要特征是:
A.
大气道阻塞
B.
小气道堵塞
C.
双肺哮鸣音
D.
桶状胸
E.
胸片肺野通光度增加
【简答题】R、L、C串联电路,当频率f=f0时, 电路发生谐振,当f
【单选题】胰高血糖素对糖代谢调节作用的叙述正确的是:( )
A.
激活糖原合成酶
B.
抑制肝糖原分解
C.
可抑制2.6~双磷酸果糖的合成
D.
可抑制激素敏感脂肪酶
E.
抑制磷酸烯醇式丙酮酸羧激酶
【简答题】RLC串联电路中,当L、C参数不变,R逐渐减小时,谐振频率 f 0 ____;特性阻抗r____;品质因数Q_______;谐振时的等效阻抗Z 0 ________。
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