答案及解析：
　　答案：1. B 2. D 3.D 4.C 5.B 6.B 7. C 8. D 9.C 10. D
　　【解析】
　　1. 同位語從句。that引導從句作orders的同位語，解釋orders的具體內容。主句：They received orders. orders內容如下：The work be done right away.
　　2. 同位語從句。that引導從句作news的同位語，解釋news的具體內容。主句：The news surprised us greatly. news的內容如下：He was kidnapped.
　　3. that引導從句作information的同位語，解釋information的具體內容。主句：Information has been put forward. information的具體內容為：More middle school graduates will be admitted into universities.
　　4. that引導從句作word的同位語，解釋word的具體內容。主句：Three days later, word came.
　　word的具體內容為：Our country had sent up another man-made satellite.
　　5. that引導從句作promise的同位語，解釋promise的具體內容。主句：Along with the letter was his promise. promise的具體內容為：He would visit me this coming Christmas.
　　6. 此題為故意考查大家是否能辨別同位語從句與其他從句使用that的區別而設置。并不考查同位語從句。第一空為定語從句，why和that都可引導定語從句修飾the reason；第二空為表語從句，根據句意“……的理由是”只能選擇that，如果because或why就意為“……是因為”句意不通，所以，答案為B。
　　7. that引導從句作a warm thought的同位語，解釋a warm thought的具體內容。主句：A warm thought suddenly came to me. a warm thought的具體內容為：I might use the pocket money to buy some flowers for my mother's birthday．
　　8. 同位語從句that we’ll never know what a UFO is- not ever作a feeling 的同位語，解釋a feeling 的具體內容。that連接同位語從句時，只起連接作用，不作從句的任何成分。
　　9. that引導從句作a message的同位語，解釋a message的具體內容。a message的具體內容為：The meeting won't be held tomorrow.
　　10. that引導從句作thought的同位語，解釋thought的具體內容。主句：The thought worried him. thought的具體內容為：He might fail in the exam.