皮皮学,免费搜题
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搜题
【单选题】
下述何药可诱发或加重支气管哮喘
A.
肾上腺素
B.
普萘洛尔
C.
妥拉唑林
D.
酚妥拉明
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举一反三
【简答题】Her income is d______ what she had five years ago.
【判断题】西门子S7-200PLC端子分为输入端子和输出端子。
A.
正确
B.
错误
【单选题】——How long have you worked here? ——__________________.
A.
Since five years
B.
Since five years ago
C.
Five years ago
D.
For five years ago
【简答题】PLC 按结构分两类即 如西门子的S7-200系列和 如西门子的S7-300,S7-400。
【单选题】西门子 S7-200 中有( )个计数器
A.
1-256
B.
1-128
C.
0-256
D.
0-128
【简答题】He founded the company five years ago and has been managing the business ______.
【单选题】胎位正常、无头盆不称的协调性子宫收缩乏力妊娠足月产妇,拟静滴缩宫素增强宫缩,在5%葡萄糖500ml中应加入缩宫素
A.
2.5U
B.
10U
C.
15U
D.
20U
E.
25U
【单选题】What is the meaning of “five score years ago”?
A.
5 years ago
B.
25 years ago
C.
100 years ago
D.
200 years ago
【判断题】理想电流源的端电压取决于外电路。
A.
正确
B.
错误
【简答题】--When _______ you _______ to learn to skate? --Five years ago.