【多选题】What is the nature of English public speaking course?
A.
A course combining development of public speaking skills and comprehensive qualities
B.
Not designed for English speaking competitions but potential contestants can benefit
C.
Not an oral English class but its beneficiary as well as a contributor to improvement of oral English
D.
Not theory- oriented but practice and skill-based
E.
Not writing class but its beneficiary as well as a contributor to betterment of writing skills
【单选题】What is the English name of this course?
D.
Computer Science and Infotech English
【单选题】单选) 固着型纤毛虫中属于个体生活的是( )。
【多选题】以下关于路基干湿类型划分的说法,正确的有( )。
C.
原有路基可根据路基分界相对含水量来划分干湿类型
【多选题】路基的干湿类型表示路基在最不利季节的干湿状态,分为( )。
【多选题】含气泡水的声速与声波频率的关系为( )。A.不随频率发生变化B.当声波频率低于气泡共振频率时,气泡的存在使声速明显减小C.当声波频率远高于共振频率时,气泡的存在对声速不产生明显影响D.若声波频率就在气泡共振频率附近,则随着频率的变化,声速发生剧烈改变
【多选题】路基的干湿类型表示路基在最不利季节的干湿状态,分为( )。
【简答题】A.English. B.Biology. C.Introduction to English Literature. D.A required course.