安全隔离变压器不允许放在()内使用。 ["易碎容器","木质容器","金属容器","绝缘容器"]
一个用户通过短信受理虚拟网,他可以选择的虚拟网费率有() ["3元包150分钟","5元包300分钟","20元包2000分钟"]
DDMS中Log信息分为几个级别()。 ["3","4","5","6"]
Of all the students in our class, Betty writes() ["very carefully","most carefully","more carefully","the most carefully"]
《巴塞尔新资本协议》指出,在信用风险评级标准法中,零售类资产是否有居民房产分别给与()、35%的权重。 ["100%","75%","65%","50%"]
论述教学在学校教育中的地位。