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【单选题】
分子式C8H10O的IR,1HNMR和13CNMR光谱如下, 对应的是那个化合物 ( )?【图片】【图片】【图片】
A.
A
B.
B
C.
C
D.
D
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参考答案:
举一反三
【单选题】A compressor should never be stopped _____.
A.
without first cooling it
B.
without first heating it
C.
without first unloading it
D.
without first loading it
【简答题】#f1—a1原位(音程名称)是 度,转位后的性质(音程名称)是 度。原位音程和转位音程协和与不协和类别相同,此题音程属于 音程(填写协和或不协和)。(注意: 答案不要多打“度”字,只需打出所需的字。想“协和”不要打成“和协”。)
【单选题】Without a passport, leaving the country is __________
A.
in question
B.
without question
C.
out of the question
D.
out of question
【单选题】A team of nurses ________ the doctor in performing the operation on the boy wounded in the earthquake.
A.
supported
B.
encouraged
C.
assisted
D.
respected
【单选题】At midnight the enemy attacked _________.
A.
without warning
B.
without notice
C.
without permission
D.
A or B
【单选题】Ted made up has mind soon and accepted the invitation ____ .
A.
without hesitation
B.
without doubt
C.
without understanding
D.
without exception
【多选题】以下哪些是ASD鉴别诊断需要注意的问题 ( )
A.
如果在创伤性事件后主要表现为亚临床水平的焦虑抑郁或其他非特异性症状,考虑适应障碍可能更合适
B.
如果症状是已有的另一种精神障碍症状的恶化,不诊断急性应激反应
C.
急性应激性精神病的妄想和情绪障碍出现在精神打击后,只是原有症状的恶化,应考虑其他诊断
D.
要排除癔症、器质性精神障碍和各种因感染、中毒、急性脑器质性损害和抑郁症
E.
精神障碍延迟发生符合症状标准至少已3个月
【简答题】Without what cannot people understand and translate legal documents? Without___________ of the legal world.
【单选题】Jack came to the party_______.
A.
without being invited
B.
without inviting
C.
without invited
D.
without a invitation
【单选题】Even scientists cannot completely _____ for the strange behaviors of the animals before an earthquake. [     ]
A.
spot
B.
explain
C.
call
D.
account
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