微功率无线自组网的本地通信方式有何特点？

A=2×m×5，B=3×n×5，A和B的最大公因数是______，最小公倍数是______．

面神经损伤常用的定性检查法有4种，即：________、________、________、________。

B Egyptian Villages 埃及村落

Most of the inhabitants live in mud-brick homes, their (1)  walls insulating against the afternoon heat. Flat roofs, exposed (2)  the northern evening breezes, serve as cool sleeping (3)  as well as storage areas. Villagers plaster the outer walls (4)  often trim them in blue, a color they believe (5)  off the evil eye. As a man becomes richer, (6)  can add a second story to his house perhaps (7)  his married son. Those villagers who have made the (8)  to Mecca paint the legend of their trip on (9)  outer walls of their homes. Such hajj houses, along (10)  the mosques, are the most distinguished buildings in a (11)

Some villagers build ornate pigeon coops close to their (12) , using the birds as food and their droppings to (13)  crops. Many houses still have dirt floors and lack (14)  or running water; women with jars balanced on their (15)  make the trek to the community well, and children donkeys haul the (16)  liquid in jerry cans.

All (17)  said, government sponsored building programs have also brought newer (18)  residences and utilities to some villages, particularly those outside (19)  Nile Valley in the Oases and the Red Sea (20)  areas.

10.（）

美国商务部2014年7月15日宣布，对从中国进口的轮胎发起反倾销和反补贴调查（双反调查）。中国商务部表示强烈反对，指出美方做法违反世贸规则和美国国内法。为了应对国际贸易保护壁垒，我国轮胎企业的正确举措有（）

①推进市场多元化，开拓新兴市场

②转变发展方式，实行海外数量和规模扩张

③优化外贸结构，完善开放型经济体系

④主动申辩上诉，利用世贸组织规则 * *

A.①②

B.①③

C.③④

D.①④