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【单选题】
昼ご飯はどこ 食べますか。A.
を
B.
か
C.
に
D.
で
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反馈参考答案：
举一反三
【简答题】A．After geometry class. B．After the cooking class. C．After a cooking lesson. D．Uncertain.
【简答题】You do it after class at home.
【单选题】Hypokalemia does not cause?
A.
Respiratory muscle paralysis
B.
Arrhythmia
C.
Metabolic acidosis
D.
Polyuria
【单选题】Nigeria returned to the Commonwealth after ______.
A.
she had sentenced minority rights activists to death
B.
the military had resumed control of the country
C.
power had been handed over to an elected president
【单选题】Fully ________ in looking after three children at home, she no longer has time to enjoy various activities in the club.
A.
attached
B.
occupied
C.
contributed
D.
devoted
【单选题】为防止大型铸钢件热节处产生缩孔或缩松、生产中常采用的工艺措施是( )
A.
采用在热节处加明、暗冒口或冷铁以实现顺序凝固
B.
尽量使铸件壁厚均匀以实现同时凝固
C.
提高浇注温度
D.
用颗粒大而均匀的原砂以改善填充条件
【单选题】为防止大型铸钢件热节处产生缩孔或缩松，生产中常采用的工艺措施（ ）。
A.
采用热节处加明、暗冒口或冷铁以实现顺序凝固
B.
尽量使铸件壁均匀以实现同时凝固
C.
提高浇注温度
D.
采用颗粒大而均匀的原砂以改善填充条件
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