皮皮学，免费搜题
登录
搜题
【简答题】
电磁波在真空中的传播速度 c ＝＿＿＿ km/s ，电磁波频率的单位是 ，常用单位是 和＿＿。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】Complete the missing information. Danes pay taxes of up to ______ %. ________ %.of all Danes are members of a club. ________ % volunteer to help other people. Most Danes work _____ hours each week. T...
查看完整题目与答案
【单选题】Despite Denmark's manifest virtues, Danes never talk about how proud they are to be Danes. This would sound weird in Danish. When Danes talk to foreigners about Denmark, they always begin by commentin...
A.
boastful
B.
modest
C.
deprecating
D.
mysterious
查看完整题目与答案
【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't clone what scientists wish them to do
D.
scientists know little about the deserts
查看完整题目与答案
【单选题】Despite Denmark's manifest virtues, Danes never talk about how proud they are to be Danes. This would sound weird in Danish. When Danes talk to foreigners about Denmark, they always begin by commentin...
A.
boastful
B.
modest
C.
deprecating
D.
mysterious
查看完整题目与答案
【单选题】某人在进行语言活动时,能够听到声音,也能够进行正确的语音和语法表达,但是不能将听到的语词分离出来,且存在词义估计错误,则可推测其致病部位是()
A.
布洛卡区
B.
威尔尼克区
C.
角回
D.
额中回后部
查看完整题目与答案
【单选题】They notice that plants don't grow well _______ is much shade. [     ]
A.
where
B.
which
C.
where there
D.
there
查看完整题目与答案
【单选题】投手榴弹时,使脊柱向左侧转的肌肉有
A.
左侧的腹内斜肌和腹外斜肌
B.
腹直肌和腹外斜肌
C.
左侧的腹内斜肌和右侧的腹外斜肌
D.
左侧的腹外斜肌和右侧的腹内斜肌
查看完整题目与答案
【单选题】Their plants don’t grow very well, but _________ look really good.
A.
we
B.
our
C.
ours
D.
ourselves
查看完整题目与答案
【单选题】3 在 run() 方法已完成执行或其 stop() 方法被调用之后,线程处于的状态是( )
A.
新建
B.
死亡
C.
运行
D.
睡眠
查看完整题目与答案
【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't done what scientists wish them to do
D.
scientists know little about the deserts
查看完整题目与答案
相关题目：
【简答题】Complete the missing information. Danes pay taxes of up to ______ %. ________ %.of all Danes are members of a club. ________ % volunteer to help other people. Most Danes work _____ hours each week. T...
查看完整题目与答案
【单选题】Despite Denmark's manifest virtues, Danes never talk about how proud they are to be Danes. This would sound weird in Danish. When Danes talk to foreigners about Denmark, they always begin by commentin...
A.
boastful
B.
modest
C.
deprecating
D.
mysterious
查看完整题目与答案
【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't clone what scientists wish them to do
D.
scientists know little about the deserts
查看完整题目与答案
【单选题】Despite Denmark's manifest virtues, Danes never talk about how proud they are to be Danes. This would sound weird in Danish. When Danes talk to foreigners about Denmark, they always begin by commentin...
A.
boastful
B.
modest
C.
deprecating
D.
mysterious
查看完整题目与答案
【单选题】某人在进行语言活动时,能够听到声音,也能够进行正确的语音和语法表达,但是不能将听到的语词分离出来,且存在词义估计错误,则可推测其致病部位是()
A.
布洛卡区
B.
威尔尼克区
C.
角回
D.
额中回后部
查看完整题目与答案
【单选题】They notice that plants don't grow well _______ is much shade. [     ]
A.
where
B.
which
C.
where there
D.
there
查看完整题目与答案
【单选题】投手榴弹时,使脊柱向左侧转的肌肉有
A.
左侧的腹内斜肌和腹外斜肌
B.
腹直肌和腹外斜肌
C.
左侧的腹内斜肌和右侧的腹外斜肌
D.
左侧的腹外斜肌和右侧的腹内斜肌
查看完整题目与答案
【单选题】Their plants don’t grow very well, but _________ look really good.
A.
we
B.
our
C.
ours
D.
ourselves
查看完整题目与答案
【单选题】3 在 run() 方法已完成执行或其 stop() 方法被调用之后,线程处于的状态是( )
A.
新建
B.
死亡
C.
运行
D.
睡眠
查看完整题目与答案
【单选题】Land is becoming desert little by little because ______.
A.
plants can't grow there
B.
there is not enough rain
C.
people haven't done what scientists wish them to do
D.
scientists know little about the deserts
查看完整题目与答案