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【判断题】
培养幼儿安静进餐的习惯,以免将食物呛入呼吸道( )A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Friendship is both ________ source of pleasure and ________ component of good health.
A.
a; a
B.
/; /
C.
the; a
D.
a; the
【简答题】论述体育活动中有效目标设置的原则。
【简答题】Friendship is both a source of【11】and good health. People who have close friends naturally enjoy their company. The emotional benefits from friendship are also important. When we have good news, it wi...
【单选题】三菱FX2N系列PLC进行I/O接线时( )
A.
输入要接外部电源，输出不用接外部电源
B.
输入和输出都不用接外部电源
C.
输入和输出都要接外部电源
D.
输出要接外部电源，输入不用接外部电源
【简答题】论述体育活动中有效目标设置的原则。
【单选题】When I finally got up to leave, we both knew that a real friendship ________ between us
A.
have formed
B.
will form
C.
is to form
D.
was to form
【单选题】By joint efforts we can () both friendship and business.
A.
increase
B.
encourage
C.
expand
D.
extend
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