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【单选题】
小麦赤霉病在穗部发生时病部先产生(),后()症状
A.
黑色霉层;黑色小颗粒
B.
白色霉层;黑色小颗粒
C.
粉红色霉层;黑色小颗粒
D.
黑色小颗粒;白色霉层
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参考答案:
举一反三
【单选题】My new neighbor is a _____ person; he never speaks to anyone and nobody knows where he is from and what he is doing.
A.
curious
B.
anxious
C.
mysterious
D.
glorious
【判断题】古人所说的“志”,是泛指人内心的一切情志()。
A.
正确
B.
错误
【判断题】语句“DELETE FROM Person”将不会删除表中记录,因为没有指定条件。
A.
正确
B.
错误
【判断题】液压传动中,动力元件是液压泵,执行元件是液压缸,控制元件是油箱。
A.
正确
B.
错误
【单选题】糖溶衣片的崩解时时限为( )
A.
20分钟
B.
30分钟
C.
60分钟
D.
90分钟
【单选题】轮系( )。
A.
不能作较远距离的传动
B.
可实现变速变向要求
C.
不可以获得很大的传动比
D.
可合成运动但不可分解运动
【判断题】液压泵是执行元件( )。
A.
正确
B.
错误
【单选题】What are some of the steps a person can take to prevent his house from being broken into while he is away.'? One step is to make sure that the house seems a lived-in one. Living room curtains should b...
A.
Because he wanted to catch the readers' attention.
B.
Because he wanted to have the readers guess the answer before reading.
C.
Because he wanted to sum up (概括) the topic of the piece.
D.
Because he wanted to make the readers understand him better.
【单选题】delete from person where 姓名=“张三”该代码执行的是______项操作?
A.
添加张三的记录
B.
删除张三的记录
C.
返回张三的记录
D.
更新张三的记录
【单选题】what can be inferred from the passage?
A.
Even an educated person can not read old English without special training.
B.
A person who knows French well can understand old English.
C.
An educated person can understand old English but can not pronounce it.
D.
A person can pronounce old English words but can't understand them.
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