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【简答题】
Western New Bridge Library Announcement Shortened Library Hours for Spring Break Library Hours have been shortened to 7 hours a day (9:00 a.m. – 4:00p.m.) for Spring Break from March 24 to March 30. Coming Events On Monday, March 24, at 10:30 a.m., Scott Sutton, a children’s writer, will tell stories to kid over seven. Sutton’s attractive style will surely inspire everyone present! At 1:00 p.m., on March 26, the Geogetown Musicians will present an Irish Folk Concert, which will be entertaining for the entire family. Come for the music and stay to check out some relevant books for the rest of the week! On Thursday, March 27, at 2:00 p.m., the annual Children’s Gathering will take place in Room 201, the second-floor. Pick up an invitation in the Children’s Room and return your RSVP(回复) to reserve your seat at the table by 3:00 p.m. on Tuesday, March 25. Only children are allowed in the Gathering. At 10:30 a.m. on Friday, March 28, Enzo Monfre of the hit kid’s science show, Enzoology , will bring Fossils Live ! Surely Enzo will take the audience back in time, deep beneath the surface of the earth, to uncover the mysteries of killer dinosaurs, and more. Enzo recently appeared on the Ellen DeGeneres Show—come and see him at the library! Please note:In case of emergency, please call the Help Desk at 926-3736 and follow the procedures outlined on the voice message. The call-down service is staffed 24 hours a day, 7 days a week for emergencies. The Help Desk supplies service to you all the year around! For questions about all these, please contact hld@wnbl.corg. Come for the great Fun; Stay for the relevant Books! 小题1:To attend the annual Children’s Gathering, one has to _____. A.buy a ticket B.apply in advance C.make a reservation D.contact the call-down service 小题2:According to the passage, Enzo Monfre will ______. A.show the children around a zoo B.tell stories to children over seven C.be present at the science show in person D.lead the children to the Ellen DeGeneres Show 小题3:We can learn from the passage that children can ______. A.attend all the activities with their parents B.borrow some relevant books for the activities. C.participate in the activities form 8:00 a.m. to 4:00 p.m. D.choose only one of the activities according to their interest
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举一反三
【单选题】下列哪项不是吗啡的禁忌症:
A.
心源性哮喘
B.
前列腺肥大、排尿困难
C.
支气管哮喘
D.
颅内高压
【单选题】下列哪项不是吗啡的禁忌证
A.
产妇
B.
哺乳妇
C.
骨折剧痛
D.
颅内高压
E.
支气管哮喘
【单选题】下列哪项不是吗啡的禁忌症
A.
支气管哮喘
B.
心源性哮喘
C.
肺心病
D.
颅内高压
E.
分娩期妇女止痛
【简答题】Fe(OH) 2 由于在空气中易被氧化,制取时很难观察到白色沉淀现象,只能看到灰绿色,采用如图装置使用Fe,H 2 SO 4 (稀),NaOH溶液可在还原性气氛中制取Fe(OH) 2 白色沉淀,且较长时间内不变色,其中C为弹簧夹.(提示:还原性气氛如氢气环境) (1)则锥形瓶A中应加入的药品为______. (2)锥形瓶B中应加入的药品为______. (3)容器A中的反应开始后,请简单写出完成制...
【单选题】下列实验现象与对应结论均正确的是 选项 操作 现象 结论
A.
常温下将Cu片放入浓H 2 SO 4 中 生成刺激性气味气体 Cu与浓H 2 SO 4 反应生成SO 2
B.
Al 2 (SO 4 ) 3 溶液中滴加过量氢氧化钡溶液 生成白色沉淀 Al(OH) 3 不溶于氢氧化钡溶液
C.
向某溶液中加入KSCN溶液,再向溶液中加入新制氯水 溶液先不显红色,加入氯水后变红色 该溶液中含有Fe 2+
D.
向某溶液中加入CCl 4 ,振荡后静置 液体分层,下层呈紫红色 该溶液中存在I -
【单选题】下列哪项不是吗啡的禁忌证
A.
孕妇
B.
哺乳妇
C.
骨折剧痛
D.
D、颅内压增高
E.
支气管哮喘
【简答题】按要求完成以下化学方程式: (1)盐酸和氢氧化钠溶液混合:______. (2)Ag、Al、Na 2 SO 4 溶液、稀H 2 SO 4 两两混合后能发生的某个反应:______ (3)FeS 2 与空气中的O 2 在高温条件下生成Fe 2 O 3 和一种刺激性气体的反应: ______.
【简答题】(20分)(1)现有如下两个反应:(A)NaOH + HCl =' NaCl' + H 2 O(B)Fe +H 2 SO 4 = FeSO 4 + H 2 ↑;根据两反应本质,判断能否设计成原电池A B (填“能”或“不能”) (2)根据下图填空 ①负极为 ,该电极的方程式为 ②正极的现象是 ,发生 反应(填写“氧化”或“还原”) ③电子从 经导线流向 ,溶液中H + 向 移动(填具体电极材料)。...
【单选题】下列哪项不是吗啡的禁忌证:
A.
诊断不明的急腹症
B.
颅脑损伤
C.
支气管哮喘
D.
血压正常的心肌梗死
E.
分娩止痛
【单选题】下列哪项不是吗啡的禁忌证
A.
孕妇
B.
哺乳妇
C.
骨折剧痛
D.
颅内压增高
E.
支气管哮喘
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