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【简答题】
Henry Adams was an 1. _______ (America)businessman. He had his own boat. One day when he was sailing out of the bay, he found himself 2. _______ (carry)out to sea by a strong wind. He did not know 3. _______ he could survive until morning. The next morning he had just about given himself up for lost 4. _______ he was spotted by a ship. And it was the ship 5. _______ brought him to England. He earned his passage by 6. _______ (work)as an unpaid hand, which accounted7. _______ his poor appearance. When he was in London he felt lost. He had no money and did not know 8. _______ he should do. Walking down the street one day, he heard someone calling him. He entered and was given a letter. He was told that there was money in it and 9. _______ he could not open it 10. _______ two o’clock. 11 . When asked________they needed most , the kids said they wanted loved. 12 . I did not see the film last night. That was ____ _I must help Tom with his homework. 13 . I had seen the film before. That was_ _____ ___ I did not see the film last night. 14 . The company are working together to produce____they think is the best production. 15 . She has made it clear________she does an important job. 16 . The problem is________he will come or not. 17 . The reason why he was late was________he was caught in traffic jam. 18 . Why not try your luck downtown? That's________the best jobs are. 19 . One advantage of playing the piano is________it can bring you much pleasure. 2 0 . There are so many dictionaries.I can't decide________dictionary I should buy.
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【单选题】水准仪各轴线之间的正确几何关系是()。
A.
视准轴平行于水准管轴、竖轴平行于圆水准轴
B.
视准轴垂直于竖轴、圆水准平行于水准管轴
C.
视准轴垂直手圆水准、竖轴垂直于水准管轴
D.
视准轴垂直于横轴、横轴垂直于竖轴
【单选题】51单片机的定时/计数器 的T1用做计数模式时,采用方式1,则方式控制字TMOD( )
A.
0x10
B.
0x50
C.
0x01
D.
0x05
【单选题】水准仪各轴线之间的正确几何关系是( )。
A.
视准轴平行于水准管轴、竖轴平行于圆水准轴
B.
视准轴垂直于竖轴、圆水准平行于水准管轴
C.
视准轴垂直于圆水准、竖轴垂直于水准管轴
D.
视准轴垂直于横轴、横轴垂直于竖轴
【单选题】51单片机的定时器T1用做计数方式时,计数脉冲是
A.
外部计数脉冲由内部时钟频率提供
B.
外部计数脉冲,从T1(P3.5)引脚输入
C.
外部计数脉冲,从T0(P3.4)引脚输入
D.
有外部脉冲计数
【单选题】51单片机的定时/计数器 的T0用做定时模式时,采用方式2,则方式控制字TMOD( )
A.
0x01
B.
0x10
C.
0x02
D.
0x20
【单选题】51 单片机的定时器 T1 用做计数方式时的脉冲是 。
A.
外部计数脉冲由 T1 ( P3.5 )输入
B.
外部计数脉冲由内部时钟频率
C.
外部计数脉冲由 T0 ( P3.4 )输入
D.
由外部计数脉冲计数
【单选题】51单片机的定时器T1用做计数方式时计数脉冲是()。
A.
外部计数脉冲由T1(P3.5)输入
B.
外部计数脉冲由内部时钟频率提供
C.
外部计数脉冲由T0(P3.4)输入
D.
由外部计数脉冲计数
【单选题】水准仪各轴线之间的正确几何关系是()。
A.
水准管轴 平行于 视准轴 、 圆水准器轴 平行于 竖轴
B.
视准轴垂直于竖轴、圆水准平行于水准管轴
C.
视准轴垂直于圆水准、竖轴垂直于水准管轴
D.
视准轴垂直于横轴、横轴垂直于竖轴
【单选题】51 单片机的定时器 T0 用做计数方式时的脉冲是 。
A.
外部计数脉冲由 T1 ( P3.5 )输入
B.
外部计数脉冲由内部时钟频率
C.
外部计数脉冲由 T0 ( P3.4 )输入
D.
由外部计数脉冲计数
【单选题】• 诊断蛲虫病的最佳检查方法是
A.
• A.饱和盐水浮聚法 •
B.
B.重力沉淀法
C.
• C.生理盐水直接涂片法 •
D.
D.透明胶纸肛门擦拭法 •
E.
E.加藤厚涂片 法
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