SSB接收机,第一中频38MHZ,第二中频8MHZ,接收12MHZ信号时,象频干扰为()MHZ
A.88
B.38
C.40
D.8
参考答案:A
根据短文内容判断下列句子的正(√)误(×)。
It's sunny on Sunday morning. There are many people in the park. They are having fun together. Some
are playing games under a big tree. Some are climbing the hill. Others are rowing on the lake. John is reading
a book in front of the house. Lucy is playing with a ball. Becky and Flower are singing. Kate and Ann are
dancing beside the tree.
( ) 1. There are a lot of people in the zoo.
( ) 2. Many people have a good time.
( ) 3. John is reading a book.
( ) 4. Kate and Ann are dancing behind a tree.
( ) 5. Lucy and Flower are singing.
英国君主立宪政体确立的法律基础是[ ]
A.《 * * 宣言》
B.《1871年帝国宪法》
C.《邦联条例》
D.《权利法案》