阅读短文，并用括号内所给动词的适当形式填空，必要时，可加助动词或情态动词。

Dear John，

    My best friend，Mei，has a problem．There 1  （be）a really important English speech contest for our whole city next mouth. Our classmates want

her to represent the class in the school contest．Everyone is sure she 2  （

win）．It’s probably tree．Mei is very clever and 3  （speak） English

really well．In fact，she always 4 （come） top in the school exams，The problem 5 （be）that she is very shy．She 6 （not want）to let her friends down，but she is terrified of 7 （speak）in front of other people．

    She is my friend，so she can tell me that she  8  （be）shy．But she

can’t tell everyone that．I don’t think that they   9   （believe）her．I

can’t think of any good advice 10  （give）her, but you always come up

with good solutions to people’s problems．What do you think I should tell the rest of the students?

1．_________ 2．________ 3．________4．_________5．_______

6．_________7．_________8．________9．________ 10．________

不能破坏或去除热源的方法是（）

A.重铬酸钾硫酸清洁液浸泡30min

B.115℃，68.65kPa热压灭菌30min

C.采用针用规格活性炭吸附

D.25℃干热空气灭菌30~45min

E.采用强碱性阴离子交换树脂吸附