题目:
第三代计算机运算速度可以达到()。
A.5000至3万次/秒
B.几十万至百万次/秒
C.百万至几百万次/秒
D.几百万至千亿次/秒
答案:
参考答案:C
第三代计算机运算速度可以达到()。
A.5000至3万次/秒
B.几十万至百万次/秒
C.百万至几百万次/秒
D.几百万至千亿次/秒
参考答案:C
Tom is _____ than his brother Jim. He always gets better grades than Jim.
A. higher B. smarter C. faster
完型填空。 | ||||
As darkness fell, hundreds of people in the Swiss village left their houses. They were looking 1 at the mountain top in the distance. It was covered with 2 -beautiful and dangerous. The huge mountain is called Matterhorn. Mountain climbers had 3 the top, using the southern route (路线). But no one had ever dared to try a winter climb up the 4 side. But now one man was daring to try the 5 route. He was Walter Bonatti, a great mountain climber from Italy. For two days he had climbed. The village people had 6 him anxiously (焦急地). Now 7 were waiting to see his signal (信号). If he planned to go on the next day, he would light a 8 signal. A red light would mean that he was 9 . A tiny green light 10 high on the mountain side. Bonatti was not giving up! The people 11 . The next day he continued his way upward. He was so lonely and so 12 ! But he would not 13 . Again that night he lit the green light. In the morning, Bonatti 14 . He could not see the top, but he knew he was surely there. Though the climb was 15 , he moved up. Bonatti had spent months 16 for the climb. Was the training enough? Did he have the strength (力量) and skill to climb to the top? He was finally at the 17 ! News about his 18 was radioed to the world. The trip along the southern route was easy. He was warmly 19 in the village. He had done the " 20 ", and would be well remembered as a climber of all time. | ||||
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从SPC的角度看,一个合格的过程应当具备的条件是()。
A.过程处于统计控制状态
B.具有足够的生产能力
C.过程处于统计控制状态并具有足够的过程能力
D.过程处于统计控制状态但过程能力不足
如图所示,理想变压器原线圈接u=220sin100πt (V)的 正弦交流电源,图中电流表内阻不计.副线圈接入“110V,60W”灯泡一只,且灯光正常发光.下列说法正确的是( ) A.电流表的示数为3/11 A B.通过灯泡的电流的频率为50Hz C.电流表的示数为3/22 A D.理想变压器原、副线圈匝数之比为2:1 |
贵宾房中V1客房的卫生间,所布置的瓶花规格,要求是(),需配备(),要求摆放在()中。
A、中档;一瓶或一盆;大理石台面
B、高档;一瓶或一盆;大理石台面
C、较高档;一瓶或一盆;墙壁
D、高档;两瓶或两盆;墙壁