創建自己的小題庫
搜索
【多選題】
據河南日報消息，京廣鐵路不久也將開通時速達到300公里以上“動車組”列車。屆時，乘列車就可以體驗時速300公里的追風感覺。我們把火車轉彎近似看成是做勻速圓周運動，火車速度提高會使外軌受損。為解決火車高速轉彎時不使外軌受損這一難題，你認為以下措施可行的是.
A.
減小內外軌的高度差
B.
增加內外軌的高度差
C.
減小彎道半徑
D.
增大彎道半徑
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】What is the team planning to do?
A.
Figure out why Amelia’s plane crashed.
B.
Find the spot where Amelia’s plane crashed.
C.
Find out why Amelia set out for the island.
【單選題】The reason was _____ he wanted to study Chinese medicine.
A.
that
B.
because
C.
why
D.
which
【單選題】What makes the team want to do more research on the crash?
A.
An old map.
B.
An old photo.
C.
An article.
【單選題】We should think carefully about _____ Mr. Needham said at the meeting.
A.
that
B.
what
C.
which
D.
/
【單選題】Your article is too long. You must ______ to about 3,000 words.
A.
cut it off
B.
cut it up
C.
cut it down
D.
cut it into
相關題目：
【單選題】What is the team planning to do?
A.
Figure out why Amelia’s plane crashed.
B.
Find the spot where Amelia’s plane crashed.
C.
Find out why Amelia set out for the island.
【單選題】The reason was _____ he wanted to study Chinese medicine.
A.
that
B.
because
C.
why
D.
which
【單選題】What makes the team want to do more research on the crash?
A.
An old map.
B.
An old photo.
C.
An article.
【單選題】We should think carefully about _____ Mr. Needham said at the meeting.
A.
that
B.
what
C.
which
D.
/
【單選題】Your article is too long. You must ______ to about 3,000 words.
A.
cut it off
B.
cut it up
C.
cut it down
D.
cut it into
參考解析：
AI解析
重新生成
題目糾錯 0
發布
