皮皮学，免费搜题
登录
搜题
【单选题】
下面哪种化合物不能用 LiAlH 4 还原 ( )A.
CH 3 COOH
B.
CH 3 COOC 2 H 5
C.
CH 3 CH 2 CHO
D.
CH 3 CH=CHCH 3
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In most systems of medicine, the healer artfully evokes the patient's powers of self-suggestion, which are responsible for whatever healing may occur. This mysterious gift of self-healing is cloaked w...
A.
only exist in people's imagination
B.
were medicines used by Latin people
C.
are very effective in healing
D.
are hated by both doctors and patients
【单选题】I know the lady is singing over there. She is our Chinese teacher.
A.
which
B.
who
C.
whom
D.
whose
【单选题】Macroeconomist s study
A.
th e decision s o f individua l household s an d firms
B.
th e interactio n betwee n household s an d firms
C.
economy-wid e phenomena
D.
regulation s impose d o n firm s an d unions
【单选题】胰腺炎患者禁用吗啡镇痛的原因是
A.
吗啡可导致呼吸抑制
B.
吗啡容易导致炎症扩散
C.
使用吗啡容易成瘾
D.
吗啡可引起Oddi括约肌痉挛，加重疼痛
E.
吗啡与其他治疗用药有配伍禁忌
【单选题】甲有天然奇石一块，不慎丢失。乙误以为无主物捡回家，配以基座，陈列于客厅。后甲发现，向乙追索。下列选项哪一个是正确的?
A.
奇石属遗失物，乙应返还给甲;
B.
奇石属无主物，乙取得其所有权;
C.
乙因加工行为取得奇石的所有权;
D.
甲乙共同拥有奇石的所有权
【单选题】胰腺炎患者禁用吗啡镇痛的原因是
A.
吗啡可导致呼吸抑制
B.
吗啡容易导致炎症扩散
C.
使用吗啡容易成瘾
D.
吗啡与其他治疗用药有配伍禁忌
E.
吗啡可引起 0ddi 括约肌痉挛,加重疼痛
【单选题】胰腺炎患者禁用吗啡镇痛的原因是
A.
吗啡可导致呼吸抑制
B.
吗啡容易导致炎症扩散
C.
使用吗啡容易成瘾
D.
吗啡与其他治疗用药有配伍禁忌
E.
吗可啡引起Oddi括约肌痉挛,加重疼痛
【单选题】Why does the woman say about the death of her mother?
A.
It is a great loss for her.
B.
She can never get over her death.
C.
She believes that her mother would want her to be happy in life.
D.
She believes that her mother has guided her all the way.
相关题目：
【单选题】胰腺炎患者禁用吗啡镇痛的原因是
A.
吗啡可导致呼吸抑制
B.
吗啡容易导致炎症扩散
C.
使用吗啡容易成瘾
D.
吗啡可引起Oddi括约肌痉挛，加重疼痛
E.
吗啡与其他治疗用药有配伍禁忌