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【单选题】
如图 所示,电流从 a 点分两路通过对称的圆环形分路,汇合于 b 点.若 ca 、 bd 都沿环的径向,则在环形分路的环心处的磁感强度A.
方向垂直环形分路所在平面且指向纸内
B.
方向垂直环形分路所在平面且指向纸外
C.
方向在环形分路所在平面内，且指向 a
D.
为零
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举一反三
【单选题】While I was looking through the news online，＿．
A.
did a video of a lovely bear come up
B.
did come up a video of a lovely bear
C.
up did a video of a lovely bear come
D.
up came a video of a lovely bear
【简答题】手法操作前要选择好
【简答题】They gave him the worst news any musician could bear: he was gradually going deaf.
【单选题】—Hi! Ann, I have good news for you . —______? What is it ?
A.
What
B.
Who
C.
Ok
D.
Really
【单选题】This passage is mostprobably taken from_______
A.
an advertisement
B.
a news report
C.
an announcement
D.
a novel
【单选题】Ann Curry s a famous news presenter of the NBC News ' Today' show. When she was 15 she happened to walk into a bookstore n her hometown and began looking at the books on the shelves. The man behind th...
A.
from her friend in a bookstore
B.
a couple of years before college
C.
at the NBC news 'Today' show
D.
when she was studying at university
【单选题】Ann Curry is a famous news presenter of the NBC News 'Today' show. When she was 15 she happened to walk into a bookstore in her hometown and began looking at the books on the shelves. The man behind t...
A.
from her friend in a bookstore
B.
a couple of years before college
C.
at the NBC News 'Today' show
D.
when she was studying at university
【单选题】Ann：Susan，I‘ve got a piece of good news． Susan：Really?Ann：I‘ve got a raise for my salary． Susan：__________!I‘m really happy for you．
A.
Congratulations
B.
That’s OK
C.
Very good
D.
It's fine
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