創建自己的小題庫
搜索
【多選題】
一木塊靜止放在光滑水平面上,一顆子彈沿水平方向射入木塊,若子彈進入木塊的深度為Sl,與此同時木塊沿水平面移動了S2 ，設子彈在木塊中受到的阻力大小不變,則在子彈進入木塊的過程中,以上說法正確的是(abc)
A.
子彈損失的動能與木塊獲得的動能之比為(S1+S2)：S2
B.
子彈損失的動能與系統獲得的內能之比為(S1+S2)：S1
C.
木塊獲得的動能與系統獲得的內能之比為S2：S1
D.
木塊獲得的動能與系統獲得的內能之比為S1：S
手機使用
分享
復制鏈接
新浪微博
分享QQ
微信掃一掃微信內點擊右上角“…”即可分享
反饋
收藏
舉報參考答案：
舉一反三
【單選題】The boy is ______ computer s and stays in the Internet cafe all day and night.
A.
interested in
B.
enthusiastic about
C.
crazy about
D.
surprised at
【單選題】Which of the following titles goes best with the story?
A.
A kind- hearted Girl
B.
Shining Kindness
C.
Kindness Means Opportunities
D.
A Special Customer
【單選題】The man came to the restaurant ______.
A.
to have breakfast
B.
to see his employees
C.
to find out how his restaurant was working
D.
to see how Mary served customers
【單選題】It ______ delicious, so the cake was eaten up and mother smiled.
A.
was tasted
B.
tasted
C.
was tasting
D.
tastes
【單選題】The words the man left on the napkin suggested that _____.
A.
respecting others means respecting oneself
B.
serving others is a respectable job
C.
Mary would get a rise as a result of her kindness
D.
Mary’s kind service would bring in more money for her
相關題目：
【單選題】The boy is ______ computer s and stays in the Internet cafe all day and night.
A.
interested in
B.
enthusiastic about
C.
crazy about
D.
surprised at
【單選題】Which of the following titles goes best with the story?
A.
A kind- hearted Girl
B.
Shining Kindness
C.
Kindness Means Opportunities
D.
A Special Customer
【單選題】The man came to the restaurant ______.
A.
to have breakfast
B.
to see his employees
C.
to find out how his restaurant was working
D.
to see how Mary served customers
【單選題】It ______ delicious, so the cake was eaten up and mother smiled.
A.
was tasted
B.
tasted
C.
was tasting
D.
tastes
【單選題】The words the man left on the napkin suggested that _____.
A.
respecting others means respecting oneself
B.
serving others is a respectable job
C.
Mary would get a rise as a result of her kindness
D.
Mary’s kind service would bring in more money for her
參考解析：
AI解析
重新生成
題目糾錯 0
發布
