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【简答题】
危害荔枝果实引起霜霉病的霜疫霉属(Peonophythora)是专性寄生的霜霉目卵菌。
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举一反三
【简答题】1 5 、 右图电路中, V b =0V ,试求 V a 、 V c 、 U bc 各为多少 。
【单选题】Which is the best answer according to the dialogue?
A.
The woman can't pay because she is very poor.
B.
The woman will buy a new one because David is very angry.
C.
David will not ask the woman to pay.
【简答题】After 22 years of marriage, I ’ ve found the 1) ______ of keeping love alive in my marriage, that is, I ’ ve started 2) ______another woman. The “ other woman ” is my mother, a 72-year-old 3) ______wh...
【简答题】词汇运用。(10分) 小题1:Great ________(change) have taken place in Yangzhou these years. 小题2:Jim is very ________(care), but he didn’t make many mistakes. 小题3:Every weekend, my mum with I often goes to buy som...
【单选题】Which is the beat answer according to the dialogue?
A.
The woman can't pay because she is very poor.
B.
The woman will buy a new one because David is very angry.
C.
David will not ask the woman to pay.
【简答题】任务型阅读: Helen Keller lived in the USA. She was a great woman. When Helen was a baby, she got very ill. After many weeks, the doctor said, 'She is better, but now she can't see and she can't hear.' Her ...
【简答题】阅读理解。 Helen Keller lived in the U.S.A. She was a great woman. When Helen was a baby, she got very sick. After many weeks, the doctor said,' She is better, but now she can't see or can't hear.' Her mot...
【简答题】甲、乙两位同学在实验室利用图a所示的电路测定值电阻R 0 的大小、电源电动势E的大小和内电阻r的大小.调节滑动变阻器R的滑动触头使P向某一方向移动时,甲记录了电流表A和电压表V 1 的测量数据,乙记录的是电流表A和电压表V 2 的测量数据,两人根据数据描绘了如图b所示的两条U-I图线. (1)根据两人描绘的图线,可知________ A、图线甲是根据电压表V 2 和电流表A的数据画出来的 B、图线...
【单选题】起动时,发出严重的打齿声,此故障为( )。 A. B. C.
A.
电磁开关故障
B.
接地不良
C.
单向离合器故障
D.
电动机故障
【单选题】The woman makes a mistake because ______
A.
she is a teacher
B.
she has two children
C.
it is very dark
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