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【多选题】
下列哪些药物在结构中含有儿茶酚的结构
A.
盐酸麻黄碱
B.
肾上腺素
C.
去甲肾上腺素
D.
盐酸多巴胺
E.
甲基多巴
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【单选题】过定位是指定位时工件的同一( )被二个定位元件重复限制的定位状态。
A.
(A)平面
B.
(B)自由度
C.
(C)圆柱面
D.
(D)方向
【单选题】What is probably the real reason for Mr. Smith not feeling well?
A.
He was preoccupied with his business.
B.
He ate too much rich food.
C.
He couldn't sleep well.
D.
He was overweight.
【单选题】Mr. and Mrs. Smith didn't expect the house ______ so well.
A.
to be decorated
B.
to decorate
C.
be decorated
D.
decorating
【简答题】Mr. Smith is an Englishman. He teaches English well. His English classes are very interesting. He likes us and we like him, too. Mr. Smith has two children---Tom and Lucy. Tom is seven and his sister ...
【单选题】作为德国研制的第三代主战坦克,有德国“钢甲猛兽”之称
A.
“豹”-2坦克
B.
M-1主战坦克
C.
87式侦察警戒车
D.
T-90主战坦克
【单选题】--Mr. Smith, Can you give us some advice on how to learn English well’? --Remember, Nothing can be learned well ______hard work.
A.
by
B.
through
C.
with
D.
without
【单选题】最高最佳使用原则要求评估价格应是在合法使用方式下,各种可能的使用方式中,能够获得最大收益的使用方式的估价结果。例如,某宗房地产,城市规划规定既可用作商业用途,也可用作居住用途,如果用作商业用途能够取得最大收益,则估价应以商业用途为前提;反之,应以居住用途或商业与居住混合用为前提。( )
A.
正确
B.
错误
【简答题】阅读理解。 Mr. Smith is an Englishman. He teaches English well.His English classes are very interesting. He likes us and we like him, too. Mr. Smith has two children Tom and Lucy. Tom is seven and his sist...
【多选题】企业的以下做法能够提高现金使用效率的是(    )。
A.
加速收款并尽可能推迟付款    
B.
尽可能使用汇票付款
C.
使用现金浮游量    
D.
用现金支付工人工资
【判断题】学习通智能使用手机号登录
A.
正确
B.
错误
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