每周的

The coat of the King Charles Spaniel should be brushed twice per week, especially in the areas more prone to tangling such as the chest, behind the ears and between the legs.

这件外套的查理王猎犬应该刷每周两次，特别是在地区更容易缠结，如胸部，耳朵后面和两腿间。

He learned that twice a week an airplane landed in the bush on a strip of cleared land, unloaded parcels, mail, and sometimes a person, and the flew off.

他得知，有架飞机每周两次降落到丛林中间清理出来的一块空地上，卸下包裹、信件，有时候还有个把人，然后飞走。

During Mass and other liturgical ceremonies, lectors read the words of the Lord and lead the congregation in prayers.

圣言宣读员在感恩祭及其他礼仪中，担任领经及宣读圣言，编写每周感恩祭中的弥撒导言及信友祷文。

Holt. He wears ties only on Mondays for his weekly Rotary Club luncheons.

他只是周一在每周例行的Rotary Club午宴上打领带。

Guinea pigs were irradiated 3 times weekly with 2.701 J-cm-2 UVA radiation and 6.4 m J-cm-2 UVB radiation per exposure for the first seven weeks.

照射的第一至七周，每周隔天照射一次共照射三次，UVA和UVB照射强度分别是2.701 J·cm~(-2)和6.4 m J·cm~(-2)。

T-bills with initial maturities of 91 days or 182 days are issued weekly.

初始期限为91天或182天的国库券每周发行。

T-bills with initial maturities of 91 days or 182 days are i ued weekly.

初始期限为91天或182天的国库券每周发行。

Requirement A major in IT and training qualification in COBOL or other mainframe softwares are essential; You are expected to attend an internship of consecutive 6 months including 4 days per week; Passion in programming is desirable.

岗位要求：计算机专业，参加过 COBOL 或其他主机软件的培训；每周能工作四天以上，且半年以上实习期；热爱计算机编程工作。

All of the violinists had started playing at around age five, and they all played about two or three hours a week during the first few years.

所有的小提琴手都是在五岁时开始学习，并且在最初几年他们每周都练习2-3个小时。

Arts students may well find that their official contact with teachers is less than this average,while science and engineering students may expect to be timetabled for up to 20 hours per week.

由此可知，理工科学生每周平均20小时，而文科学生仅为15小时，即理工科类学生需要学习的时间更长，课程要求更高。故答案选C。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。