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【单选题】
电源电压降低时，异步电动机机械特性曲线上的最大转矩（）。A.
增大
B.
减小
C.
不变
D.
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】关于纵隔肿瘤的症状，叙述正确的有（）
A.
其症状的程度及发生时间与肿瘤的部位、生长速度相关
B.
大部分患者在体检时偶然发现
C.
每一类肿瘤都有相应的症状
D.
一部分患者有胸闷、胸痛症状
E.
一部分患者有压迫相应器官的症状
【单选题】Her coffee was too strong, so Ellen it with milk.
A.
soaked
B.
softened
C.
weakened
D.
flavoured
【简答题】Confucianism has its ______ power upon foreign countries in Japan.
【单选题】According to the text, the author suggests that Democratic Party of Japan______.
A.
has been the ruling party for approximately 50-odd years
B.
is failing in leading the Japan out of the difficulties
C.
is a newly emergent part in Japan's political community
D.
has successfully managed this emergency
【单选题】下面关于兔子抓取的方法哪种是正确的
A.
家兔两耳较长，可直接抓取
B.
可直接拖拉家兔的四肢
C.
用手抓住家兔的腰部直接提起
D.
右手抓住家兔颈部皮肤，左手托起兔子的臀部
【单选题】－Do you know which country has a________ population, Japan or China? －Of course. Japan does. [ ]
A.
smaller
B.
larger
C.
biggest
D.
less
【单选题】— Where's your mother? — She ______ to Japan, she ______ there twice before. [ ]
A.
has gone, has gone
B.
has been, has gone
C.
has gone, has been
D.
has been, has been
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