问题 填空题

已知△ABC的周长为9,且sinA:sinB:sinC=3:2:4,则cosC=(    ).

答案

填空题

根据课文填空,每空一词。

     The most universal 1_____ expression is, of course, the smile-its function is to show 2_____ and put

people 3_____ ease. It does not always mean that we are 4_____ happy, however. Smiles around the world

can be 5_____, hiding other feelings like anger, fear or worry. There are 6_____ smiles, such as when

someone "7_____ face" and smiles to hide it. However, the general purpose of smiling is to show 8_____

feelings.

     From the time we are babies, we show unhappiness or anger by 9_____. In most places around the world,

frowning and 10_____ one's back to someone shows anger. Making a fist and shaking it almost always means

that someone is angry and threatening another person.

     There are many ways around the world to show agreement, but 11_____ the head up and down is used

for agreement almost worldwide. Most people also understand that 12_____ the head from side to side means

13_____ or refusal.

     How about showing that I am bored? Looking away from people or 14_____ will, in most cases, make me

appear to be 15_____. However, if I turn toward and look at someone or something, people from almost every

culture will think that I am interested. If I 16_____ my eyes and turn my head away, I most 17_____ do not

believe what I am hearing or do not like it.

     With so many cultural differences between people, it is great to have some 18_____ in body language. We

can often be wrong 19_____ each other, so it is an 20_____ thing that we understand each other as well as

we do!

单项选择题 A1型题