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【单选题】
100羽鸡有40羽发病,其中20羽死亡,其发病率为( )
A.
80%
B.
40%
C.
50%
D.
20%
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参考答案:
举一反三
【单选题】How does the man feel about being a reporter?
A.
He doesn't like it because it kept him busy.
B.
He doesn't like it because it is uninteresting.
C.
He likes the job very much.
【单选题】-0X89,是整数的( )
A.
十进制表示形式
B.
八进制表示形式
C.
十六进制表示形式
D.
二进制表示形式
【单选题】一棵哈夫曼树共有 25 个结点,对其进行哈夫曼编码,共能得到 ( ) 个不同的编码。
A.
13
B.
14
C.
24
D.
25
【简答题】He was kept busy writing lectures because the department was seriously ____________.
【判断题】被子植物在花粉粒和胚囊都成熟之后,才能开花。
A.
正确
B.
错误
【判断题】分析企业的竞争力通常用到的方法是波特无力模型与pest
A.
正确
B.
错误
【单选题】The manager of the sales department is kept busy all day. After he has solved one problem, another is sure to _______.
A.
raise
B.
rise
C.
arise
D.
be appeared
【单选题】What does the man mean?
A.
He doesn't like the work because it kept him busy.
B.
He doesn't like the work because it isn't interesting.
C.
He likes the work very muc
【单选题】Li Hua,  who was busy preparing a report, couldn't _____ the loud noise, so he kept all the windows shut all day long. [     ]
A.
put up with
B.
come up with
C.
catch up with
D.
keep up with
【单选题】How did the man feel about his work?
A.
He doesn't like it because it kept him busy.
B.
He doesn't like it because it is uninteresting.
C.
He likes the work very much.
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