某市春节晚会原定10个节目，导演最后决定添加3个与“抗冰救灾”有关的节目，已经排好的10个节目的相对顺序不变，且3个新节目不相邻，则该晚会的节目单的编排总数为 ______种．（用数字作答）
∵由题意知3个新节目不相邻且已经排好的10个节目的相对顺序不变，
∴把3个新节目插在10个节目所形成的11个空中，
共有A113=990；
故答案为：990．
| 从下面方框中选择适当的词填入短文中，使短文通顺正确（注意有些词要用适当的形式）。 方框中有两个多余的词。 | |
of about 45 million. Of these, 76 percent are (1)_________ and 12 percent white. It has a warm climate (气候). Either it never rains, or it (2) _________ a lot!. It is the world's biggest producer of gold, and it sells diamonds (钻石) to other countries. It (3)_________ a lot of fruits, including oranges, pears, and grapes, and it makes wine. There (4)_________ lots of large forests where you can see a lot of wildlife (野生动物), including lions, (5)_________, zebras, and giraffes. Many people like to go and travel in this country. Can you guess the name of this country. |