搜题请搜索小程序“爱下问搜题”
问题 多项选择题

在测试纯音听阈时，下列哪些情况需要掩蔽（）

A.当单侧耳聋，或双耳听力下降程度不一致，在测试聋耳或听力较差耳的骨导时

B.当双耳气导听阈差值≥10dB

C.当双耳气导听阈差值≥20dB

D.当双耳气导听阈差值≥30dB

E.当双耳气导听阈差值≥40dB

答案

参考答案：A, E

单项选择题

Consider a $1 million 90-day forward rate agreement based on 60-day London Interbank Offered Rate (LIBOR) with a contract rate of 5 percent. If, at contract expiration, 60-day LIBOR is 6 percent, the short must pay:

A．

A. $1652.89.

B．

B. $1650.17.

C．

C. $1572.33.
查看答案
开放性试题

著名的文学家巴金老人曾经这样说过：“友情在我过去的生活里就象一盏明灯，照彻了我的灵魂。”的确，真挚的友谊是用心培育的结果，它需要我们每个人都来付出自己的努力。请你用下列词语写一段话，表达自己对友谊的理解：（落落大方　　诚实守信　　宽容大度　　互帮互谅　　共同追求） 

                                                                                                                                                               

                                                                                                                                                                

                                                                                                                                                                

                                                                                                                                                                

查看答案