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【单选题】
一般情况下,秸秆还田小麦地造成小麦苗出现“ 黄弱苗 ”的原因是土壤中( )。
A.
腐殖质过多
B.
秸秆未充分腐熟
C.
秸秆腐熟过程致氮素缺乏
D.
通气性降低
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参考答案：
举一反三
【简答题】下列语句中,表示 P4.0 送出整型变量 temp 最高位的语句是( )。A. P4OUT = ( BIT0 & ( temp >> 7 )); B. P4OUT = ( BIT0 & ( temp >> 15 )); C. if (temp & 0x80) P4OUT |= BIT0; else P4OUT &= ~BIT0; D. if (temp & 0x8000) P4OUT |= BIT...
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【单选题】According to the passage, time limits should be set on responses to candidates mainly because ______.
A.
today' s job market changes very rapidly
B.
candidates usually attend many interviews
C.
it helps interviewers gain the initiative to hire the perfect match
D.
candidates finds it boring to wait a long time to know the result
查看完整题目与答案
【单选题】下列设备中可以隔离ARP广播帧的设备是()。
A.
二层交换机
B.
路由器
C.
集线器
D.
网桥
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【单选题】The thermoregulatory set point is mainly determined by
A.
the working state of the heat production organ
B.
the working state of the heat loss organ
C.
the working feature of the peripheral thermoreceptor
D.
the working feature of the temperature sensitive neuron
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【判断题】在绿茶中,花黄素及其自动氧化产物对茶汤、干茶和叶底色泽都有影响。
A.
正确
B.
错误
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【单选题】Sometimes several physicians set up a group medical practice mainly because ______.
A.
they may have more patients
B.
they can take turns to work long hours
C.
facilities may be a big burden to an individual
D.
no one wants to assume too much responsibility
查看完整题目与答案
【单选题】历史上( )最先提出刺激消费
A.
范蠡
B.
管仲
C.
法约尔
D.
桑弘羊
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【判断题】“A Rose for Emily” was mainly set in the context of the duration of the American Civil War.
A.
正确
B.
错误
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【简答题】写出下图所示的4种卫星轨道的类型,从左到右分别是______、______、______、______
查看完整题目与答案
【单选题】下列设备中可以隔离ARP广播帧的设备是()。
A.
网桥
B.
路由器
C.
集线器
D.
二层交换机
查看完整题目与答案
相关题目：
【简答题】下列语句中,表示 P4.0 送出整型变量 temp 最高位的语句是( )。A. P4OUT = ( BIT0 & ( temp >> 7 )); B. P4OUT = ( BIT0 & ( temp >> 15 )); C. if (temp & 0x80) P4OUT |= BIT0; else P4OUT &= ~BIT0; D. if (temp & 0x8000) P4OUT |= BIT...
查看完整题目与答案
【单选题】According to the passage, time limits should be set on responses to candidates mainly because ______.
A.
today' s job market changes very rapidly
B.
candidates usually attend many interviews
C.
it helps interviewers gain the initiative to hire the perfect match
D.
candidates finds it boring to wait a long time to know the result
查看完整题目与答案
【单选题】下列设备中可以隔离ARP广播帧的设备是()。
A.
二层交换机
B.
路由器
C.
集线器
D.
网桥
查看完整题目与答案
【单选题】The thermoregulatory set point is mainly determined by
A.
the working state of the heat production organ
B.
the working state of the heat loss organ
C.
the working feature of the peripheral thermoreceptor
D.
the working feature of the temperature sensitive neuron
查看完整题目与答案
【判断题】在绿茶中,花黄素及其自动氧化产物对茶汤、干茶和叶底色泽都有影响。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Sometimes several physicians set up a group medical practice mainly because ______.
A.
they may have more patients
B.
they can take turns to work long hours
C.
facilities may be a big burden to an individual
D.
no one wants to assume too much responsibility
查看完整题目与答案
【单选题】历史上( )最先提出刺激消费
A.
范蠡
B.
管仲
C.
法约尔
D.
桑弘羊
查看完整题目与答案
【判断题】“A Rose for Emily” was mainly set in the context of the duration of the American Civil War.
A.
正确
B.
错误
查看完整题目与答案
【简答题】写出下图所示的4种卫星轨道的类型,从左到右分别是______、______、______、______
查看完整题目与答案
【单选题】下列设备中可以隔离ARP广播帧的设备是()。
A.
网桥
B.
路由器
C.
集线器
D.
二层交换机
查看完整题目与答案
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