【单选题】【消耗次数：1】
小儿肠套叠的病因
①
饮食改变
②
回盲部解剖因素
③
病毒感染
④
肠痉挛及自主神经失衡
⑤
以上都是
参考答案：
复制
纠错
➡️如需代学继续教育，联系微信：yizhituziang
相关题目
【单选题】
能促使汗腺分泌的自主神经是
①
交感神经释放乙酰胆碱作用于N受体
②
副交感神经释放乙酰胆碱作用于M受体
③
交感神经释放去甲肾上腺素作用于α受体
④
交感神经释放乙酰胆碱作用于M受体
⑤
躯体神经释放乙酰胆碱作用于M受体
【单选题】
新冠病毒感染饮食营养专家建议：适量多饮水，每天不少于（ ）
随机题目
【单选题】
Small sailboats can eaily turn over in the water [] they are not managed carefully.
①
though
②
before
③
until
④
if
【单选题】
[] so many people want to live in cities is because they want to have fun in there.
①
Why
②
That
③
Whether
④
How
【单选题】
Which sentence is correct?
①
Afer finishing her composition, she took up the translation exercise.
②
Afer finishing her composition, the translation exercise was taken up.
【单选题】
Which sentence is correct?
①
Hurrying to the classroom, no one was there.
②
Hurrying to the classroom, she saw nobody there.
【单选题】
Ill visit you whenever I will get the chance. Identify the mistake in the sentence.
①
visit
②
whenever
③
will
④
chance
【单选题】
It is difficult for us to learn a lesson in life [] youve had that lesson.
①
until
②
after
③
when
④
since
【单选题】
She happily deposits the money she has earned teaching English in her savings account. Find any misplaced modifier in the sentence
①
happily
②
she has earned
③
in her savings account
【单选题】
Well have a picnic in the park this Saturday [] it rains or it is very cold.
①
since
②
if
③
until
④
unless