更多"A--office pin B--offi"的相关试题:
[填空题]A--office pin B--office clock
C--pen holder D--notepaper
E--globe F--stapler
G--memo holder H--paper fastener
I--tape dispenser J--letter opener
K--business card L--pencil sharpener
M--paper cutter N--book stand
O--plastic-envelop machine P--document cabinet
Q--stationery rack R--photo frame
S--correction tap T--desk accessories
( ) 办公钟 ( ) 地球仪
[单项选择]A. At 6 o’clock. B. At 7 o’clock’ C. At 4 o’clock. D. At 5 o’clock.
[填空题]The clock (say) ______ it is five o’clock now.
[单项选择]What happened to the clock
[单项选择]A. At 11 o’clock. B. At 4 o’clock. C. At 7 o’clock. D. At 2 o’clock.
[单项选择]A) 6:00 o’clock. C) 5:00 o’clock.
B) 5:30 o’clock. D) 4:00 o’clock.
[单项选择]What has happened to the clock
A. It has been fixed.
B. It has stopped working.
C. It has been sent to the watchmaker’s.
[单项选择]The ancient Egyptian water clock required sophisticated calibration, since water dripped faster from its bowl when （） and the pressure was greater.
A. the full bowl
B. was the bowl full
C. bowl full
D. the bowl was full
[单项选择]
A Biological Clock
Every living thing has what scientists call a biological clock that controls behavior. The biological clock tells (1) when to form flowers and when the flowers should open. It tells (2) when to leave the protective cocoons and fly away, and it tells animals and human beings when to eat, sleep and wake.
Events outside the plant and animal (3) the actions of some biological clocks. Scientists recently found, for example, that a tiny animal changes the color of its fur (4) the number of hours of daylight. In the short (5) of winter, its fur becomes white. The fur becomes gray brown in color in the longer hours of daylight in summer.
Inner signals control other biological clocks. German scientists found that some kind of internal clock seems to order birds to begin their long migration (6) twice each year. Birds (7) flying become res
A. how
B. why
C. where
D. what
