皮皮学，免费搜题
登录
搜题
【单选题】
On a switchboard, if all three ground detection lamps remain burning at half intensity when the test button is depressed, which of the listed conditions is indicated?A.
. No grounds exist.
B.
All three phases are grounded.
C.
The test switch is grounded.
D.
The current transformers are shorted.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】植物的根系分为——和——,多数双子叶植物和裸子植物为——根系,多数单子叶植物为——根系。根据根在土壤中的分布状况,根系又可分为——和——。
【单选题】______ school is much larger than ______. Really? [ ]
A.
Our, your
B.
Our, yours
C.
Ours, yours
D.
We, you
【简答题】植物根系分为( )和( )。
【简答题】阅读短文，判断下列句子正(T)误(F)。 My school is large and beautiful. I love my school very much. I get up at six every morning. I have breakfast at seven. After breakfast, I go to school. I have four classes in the...
【单选题】单项选择。 '___ school is much bigger than ___.' [ ]
A.
Our; your
B.
Our; yours
C.
My; him
D.
My; her
【单选题】______ school is much bigger than ______. [ ]
A.
Our; their
B.
Ours; theirs
C.
Theirs; our
D.
Their; ours
【简答题】植物的根系分为_______和_______，多数双子叶植物和裸子植物为_______根系，多数单子叶植物为_______根系。根据根在土壤中的分布状况，根系又可分为_______和_______。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
