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【简答题】
椭圆 的左、右焦点分别为F 1 、F 2 ,过椭圆的右焦点F 2 作一条直线l交椭圆与P、Q两点,则△F 1 PQ内切圆面积的最大值是
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参考答案:
举一反三
【单选题】— Excuse me, look at the sign 'NO PHOTOS'! — Sorry, I _____ it. [     ]
A.
don't see
B.
didn't see
C.
am not seeing
D.
won't see
【简答题】Can you write in one or two sentences about the view of the universe in the Hellenistic era?
【单选题】I am ready ______ the agreement.
A.
sign
B.
to sign
C.
signing
D.
signed
【简答题】和动词有关的语法范畴有时、体、()和( )。
【判断题】1927 年,魏特琳独自冒险决定在当年秋季如期招生和开学。( )
A.
正确
B.
错误
【简答题】I am ready to sign up _________ the mid July group.
【单选题】Are you ready ? Yes, I ( )
A.
do
B.
was
C.
am
【单选题】I am ready to sign the agreement.正确的翻译是()
A.
我已准备好合同供你方签署。
B.
我已经准备好了签合同。
C.
我已准备好审合同。
【简答题】You Can Make a Windsock( 风筒 ) Have you ever seen a windsock blowing in the wind? Well, you can make one of your own! This is a fun project that you can do with things you may have. You just need to fo...
【判断题】1927 年,魏特琳独自冒险决定在当年秋季如期招生和开学。( )
A.
正确
B.
错误
参考解析:
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