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【判断题】
STM32F4支持FPU(浮点运算)和DSP指令。
A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
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皮皮学刷刷变学霸
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【单选题】【2015年上半年中学真题】班主任孙老师经常对学生说:“知识改变命运,分数才是硬道理”,他自己出钱设立了“班主任基金”,用于奖励每学期末前三名的学生,孙老师的做法( )
A.
正确，物质奖励具有良好的激励作用
B.
不正确，考试成绩不能衡量学生的综合素质
C.
正确，考试成绩是衡量学生的重要依据
D.
不正确，考试成绩不是评价学生的唯一指标
查看完整题目与答案
【简答题】糖原分解经过糖酵解产生几分子的 ATP?
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【单选题】——I was disappointed that you didn‘t come to my party last night. ——I wish_________occupied then.
A.
I'm not
B.
I wasn't
C.
I haven't been
D.
I hadn't been
查看完整题目与答案
【简答题】Directions : In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the secon...
查看完整题目与答案
【单选题】IN 1871 America added about 6,000 miles of track to its railways, an endeavor that occupied a tenth of its industrial labour force. But by 1875 track-building had fallen by more than two-thirds, and e...
A.
to serve as a background of the passage.
B.
to illustrate the wild ups and downs of the railway industry
C.
to introduce the fatalistic view that recession, however unpleasant, is necessary.
D.
to display the relationship between industrial development and employment rate.
查看完整题目与答案
【单选题】______ 是以蒸发器出口处制冷剂蒸汽过热度的变化,自动地改变阀芯节流孔的开度,从而调节制冷剂流量的自动化元件。
A.
热力膨胀阀
B.
电子膨胀阀
C.
电磁阀
D.
温度控制器
查看完整题目与答案
【单选题】关于问卷调查的说法，正确的是（ ）
A.
自填问卷适合被调查者文化水平较低的情况
B.
问卷调查的资料处理相对复杂难以比较分析
C.
问卷既需要较高的信度又需要较好的效度
D.
描述性研究的问卷应围绕研究假设展开设计
查看完整题目与答案
【单选题】The boy ____ the girl's desk.
A.
occupied
B.
occupies
C.
occupie
查看完整题目与答案
【单选题】以下哪一项不是免疫缺陷病的特征
A.
易遭受微生物反复感染或重症感染
B.
易发生自身免疫疾病
C.
易发生恶性肿瘤
D.
常可检出高滴度的自身抗体
E.
某些免疫缺陷病与遗传基因异常有关
查看完整题目与答案
【单选题】___ himself in carrying out an experiment, he can’t spare time to look after his children.
A.
Occupied
B.
Having occupied
C.
Occupying
D.
Having been occupied
查看完整题目与答案
相关题目：
【单选题】【2015年上半年中学真题】班主任孙老师经常对学生说:“知识改变命运,分数才是硬道理”,他自己出钱设立了“班主任基金”,用于奖励每学期末前三名的学生,孙老师的做法( )
A.
正确，物质奖励具有良好的激励作用
B.
不正确，考试成绩不能衡量学生的综合素质
C.
正确，考试成绩是衡量学生的重要依据
D.
不正确，考试成绩不是评价学生的唯一指标
查看完整题目与答案
【简答题】糖原分解经过糖酵解产生几分子的 ATP?
查看完整题目与答案
【单选题】——I was disappointed that you didn‘t come to my party last night. ——I wish_________occupied then.
A.
I'm not
B.
I wasn't
C.
I haven't been
D.
I hadn't been
查看完整题目与答案
【简答题】Directions : In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the secon...
查看完整题目与答案
【单选题】IN 1871 America added about 6,000 miles of track to its railways, an endeavor that occupied a tenth of its industrial labour force. But by 1875 track-building had fallen by more than two-thirds, and e...
A.
to serve as a background of the passage.
B.
to illustrate the wild ups and downs of the railway industry
C.
to introduce the fatalistic view that recession, however unpleasant, is necessary.
D.
to display the relationship between industrial development and employment rate.
查看完整题目与答案
【单选题】______ 是以蒸发器出口处制冷剂蒸汽过热度的变化,自动地改变阀芯节流孔的开度,从而调节制冷剂流量的自动化元件。
A.
热力膨胀阀
B.
电子膨胀阀
C.
电磁阀
D.
温度控制器
查看完整题目与答案
【单选题】关于问卷调查的说法，正确的是（ ）
A.
自填问卷适合被调查者文化水平较低的情况
B.
问卷调查的资料处理相对复杂难以比较分析
C.
问卷既需要较高的信度又需要较好的效度
D.
描述性研究的问卷应围绕研究假设展开设计
查看完整题目与答案
【单选题】The boy ____ the girl's desk.
A.
occupied
B.
occupies
C.
occupie
查看完整题目与答案
【单选题】以下哪一项不是免疫缺陷病的特征
A.
易遭受微生物反复感染或重症感染
B.
易发生自身免疫疾病
C.
易发生恶性肿瘤
D.
常可检出高滴度的自身抗体
E.
某些免疫缺陷病与遗传基因异常有关
查看完整题目与答案
【单选题】___ himself in carrying out an experiment, he can’t spare time to look after his children.
A.
Occupied
B.
Having occupied
C.
Occupying
D.
Having been occupied
查看完整题目与答案