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发动机机油的作用有 、减震、冷却、防锈和清洁。
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Good morning, I'm Victoria Porter. How can I help you? M: Good morning, my name is Frank. I have to complete the enrolment form, but I'm not sure about some aspects. W: Let's refer to the hand...
A.
The enrolment form.
B.
The handbook.
C.
Australia and its People.
D.
The description of the courses.
【简答题】简述电子商务立法的必要性。
【简答题】补全对话。 A: Good morning, madam! B: Good morning, sir! A: You look worried. (1)______? B: My son got lost when I was talking with my friend in the park. I've looked for him everywhere, but I can't find h...
【单选题】子宫内膜异位症确定诊断最有效的辅助检查方法是
A.
B 超检查
B.
腹腔镜检查
C.
宫腔镜检查
D.
子宫输卵管碘油造影 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
E.
诊断性刮宫 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【多选题】某公司2003年息税前营业利润为1000万元，所得税税率为40%，折旧与摊销为100万元，流动资产增加300万元，无息流动负债增加120万元，有息流动负债增加70万元，长期资产总值增加500万元，无息长期债务增加200万元，有息长期债务增加230万元，税后利息20万元。则下列说法正确的有( )。
A.
营业现金毛流量为700万元
B.
营业现金净流量为520万元
C.
实体现金流量为220万元
D.
股权现金流量为500万元
【简答题】补全对话。 A: Hi! Good morning. B: Good morning. __ 1 __? A: My name is Tom. Nice to meet you. B: __ 2 __. A: Excuse me. Do you have an English tape? B: An Eng lish tape? __ 3 __. A: Is it on your desk? B:...
【单选题】听力原文：W: Good morning, I'm Victoria Porter. How can I help you? M: Good morning, my name is Frank. I have to complete the enrolment form, but I'm not sure about some aspects. W: (19)Let's refer to the ...
A.
The enrolment form.
B.
The handbook.
C.
Australia and its People.
D.
The description of the courses.
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