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【多选题】
单元评价按照教学活动中发挥作用的不同,可以分为( )
A.
诊断性评价
B.
形成性评价
C.
个体性评价
D.
终结性评价
拍照语音搜题,微信中搜索"皮皮学"使用
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【简答题】小题1:Trees can get light from in the daytime. A.C0 2 B.O 2 C.the sun D.the moon 小题2:Chlorophyll is in . A.sunlight B.soil C.air D.leaves 小题3:We can get more O­ 2 by . A.planting more trees B.cutting tr...
【单选题】触电事故表明,频率为()的电流最危险?
A.
50-100HZ
B.
60-100HZ
C.
50-60HZ
D.
20-50HZ
【单选题】Rich _____ they were in forms, the speaker’s gestures seemed unrelated to his speech.
A.
as
B.
although
C.
even if
D.
while
【单选题】Rich as they were in forms, the speaker’s _____ seemed unrelated to his speech.
A.
signs
B.
gestures
C.
symptoms
D.
symbols
【单选题】触电事故表明,频率为( )Hz的电流最危险。
A.
50~100
B.
100~200
C.
1000
D.
频率越高越危险
【单选题】Rich as they were in forms, the speaker’ s _____ seemed unrelated to his speech.
A.
signs
B.
gesture
C.
symptoms
D.
symbols
【单选题】直到什么事件的前一天美国参战的前一天,罗斯福才决定要扩大投资规模,从事原子弹的试制计划
A.
第一次世界大战
B.
日本人偷袭珍珠港
C.
第二次世界大战
D.
对德宣战
【单选题】I can't see anything in the room. Please the light. [     ]
A.
turn off
B.
turn up
C.
turn down
D.
turn on
【多选题】当代中国要紧扣社会主要矛盾的变化,突出重点、补短板、强弱项,特别是要坚决打好的攻坚战有
A.
基本实现社会主义现代化
B.
化解重大风险
C.
精准脱贫
D.
污染防治
【判断题】触电事故表明,频率为50-100Hz的电流最危险。
A.
正确
B.
错误
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