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【简答题】
A Friendship Day present plays an important part in developing friendships. We must choose it with love and care.  It doesn’t need to be expensive,  but it must be able to show your love to your friend.  If you find it hard to choose a good Friendship Day present for your best friend, here are some good ideas for you. 小题1:_________________________________ Friendship bands are one of the most popular present on that day. Many colorful friendship bands hit stores much ahead of the Friendship Day.  They come in special designs for both boys and girls. 小题2:________________________________ Flowers are presents which are popular among girls.  Sending flowers is the best and the easiest way to show your love to your friend.  If possible, you’d better choose your friend’s favorite flower.  If your friend doesn’t have a specific choice, you can buy yellow roses. Yellow roses are thought to be Friendship Day flowers. 小题3:________________________________ Photo albums are good Friendship Day presents. You can place a picture of you along with your friend into a photo album .This reminds both of you of the good time you spent together. 小题4:_________________________________ Books are suitable for friends who like reading.  Keep your friend in mind while choosing the book. Usually, you can choose an inspirational book 小题5:_________________________________ If you don’t know which present to choose, why not invite your friend to have dinner? That will be a good chance to chat with your friend .I am sure you can have a good meal and a great time 阅读以上5段语言材料,请找出与他们相对应的标题,并将其标号填入下列方框内。 A.Choosing Good Books B.Inviting Your Friend to Dinner C.Buying Photo Albums D.Sending Flowers E. Buying Friendship Bands
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参考答案:
举一反三
【单选题】记 , ,…, . 若 ,则 的值为(   )
A.
B.
C.
【单选题】.在 中,角 所对的边分别为 .若 ,则 的值为
A.
B.
C.
【判断题】气体的密度仅仅是压力的函数,而与温度无关。
A.
正确
B.
错误
【单选题】. 若 ,则 的值为(          )
A.
-2
B.
2
C.
-5
D.
5
【简答题】常见的计算机网络拓扑结构有总线型、( )、环型和树型。
【简答题】常见的计算机网络拓扑结构有:总线型结构、 、环型结构和混合型结构。
【单选题】已知 ,且 .若 , 则 的值为
A.
B.
C.
D.
【简答题】常见的计算机网络拓扑结构有:总线型结构、( )、环型结构、树型结构和混合型结构。
【单选题】若 ,则 的值为(   )
A.
1
B.
-1
C.
0
D.
2
【单选题】下列说法正确的是(  )
A.
若 为假,则 均为假.
B.
若 ,则 .
C.
若 ,则 的最小值为4.
D.
线性相关系数 越接近1,表示两变量相关性越强.
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