信息化时代对人类社会的影响主要包括：（） ①使世界各地区、各民族的联系更加紧密②

----Are these gloves _____________? 

----No, they’re not ____________.

A．yours, mine

B．your, mine

C．yours, my

D． your, my

男性，33岁，因腰椎间盘突出症急性发作入院接受牵引治疗。护理措施正确的是（）

A.床尾抬高20～25cm

B.应采用骨盆悬吊牵引

C.牵引总重量为3～4kg

D.牵引位置固定后全身制动

E.牵引带全部在髂嵴以上的腰部

伊斯兰教的创始人是[ ]

A．释迦牟尼    

B．耶稣    

C．穆罕默德  

D．真主

Early one morning, more than a hundred years ago, an American inventor called Elias Howe finally fell asleep. He had been working all night on the design of a sewing machine but he had run into 1.__________ very difficult problem. It seemed impossible to get the thread to run 2.__________ (smooth) around the needle.

Though he was tired, Howe slept badly. He turned and turned. Then he had a dream. He 3.__________ that he had been caught by terrible savages 4.__________ king wanted to kill him and eat him 5.__________ he could build a perfect sewing machine. When he tried to do so, Howe ran into the same problem as before. The thread kept getting caught around the needle. The king flew into the cage and ordered his soldiers to kill Howe. They came up towards him with their spears 6.__________ (raise). But suddenly the inventor noticed something. There was a 7.__________ in the tip of each spear. The inventor awoke from the dream, 8.__________ (realize) that he had just found the answer 9.__________ the problem. Instead of trying to get the thread to run around the needle, he should make 10.__________ run through a small hole in the centre of the needle. This was the simple idea that finally made Howe design and build the first really practical sewing machine.

爬梯是指用于工作人员上下攀登的用具或设备，主要分为固定式钢直梯、（）等等。

A.固定式钢斜梯

B.二节轻金属拉伸梯

C.移动式轻金属折梯

D.竹梯