小儿感冒出现夹惊的原因是()
A、脾常不足
B、肝常有余
C、肺脏娇嫩
D、神气怯弱
E、肾常虚
参考答案:D
—Excuse me, can we bring the dog to the theatre with us?
—Sorry, pets ______ to enter. [ ]
A. aren't allowed
B. are asked
C. are allowed
D. aren't asked
磁粉检验能检查出缺陷的位置在()
A.焊件内部
B.焊件近表面
C.焊件内部及近表面
D.焊件表面及近表面