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【单选题】
在增压器运转中清洗压气机,清洗前后min内,气缸润滑油供应量提高( )。A.
50%～100%
B.
70%～90%
C.
40%～70%
D.
50%～80%
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【简答题】A、 普萘洛尔 B 、 硝酸甘油 C 、 维拉帕米 D 、 地尔硫 䓬 E 、 以上均可用 23 、 伴有支气管哮喘的心绞痛患者不宜选用 24 、 伴有心动过速的心绞痛患者不宜选用 25 、 伴有充血性心力衰竭的心绞痛患者宜选用 26 、 稳定型心绞痛可选用 27 、 变异型心绞痛不宜选用
【单选题】China's grain production has been on _______ rise in the past eight years, with _______ annual increase of 17.5 billion kg. [ ]
A.
the; an
B.
a; an
C.
the; the
D.
a; the
【单选题】Electronic pets are sweeping China's large cities as they have elsewhere in Asia, as increasing numbers of young people go crazy about the imitation chickens, dogs and dinosaurs(恐龙). The electronic pe...
A.
the qualities of electronic animals
B.
the intelligence of electronic animals
C.
the value of electronic animals to its owners
D.
the popularity of electronic animals in Asia
【简答题】To ensure social justice and combat discrimination, China still needs______.
【简答题】阅读理解。 BUSINESS China to further economic reform China needs to continue deepening reform in an effort to give impetus to its further economic development, a top economic planning official said on Marc...
【单选题】Relations between China and Africa are based on a balance of interests and ________ the needs and demands of developing countries.
A.
provides
B.
provided
C.
providing
D.
is providing
【简答题】变异型心绞痛不宜选用（）|变异型心绞痛宜选用（）|各种类型心绞痛都可选用（）|稳定型和不稳定型心绞痛都可选用（）A. 普萘洛尔B. 硝苯地平C. 维拉帕米D. 地尔硫䓬E. 硝酸甘油
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