更多"In some poverty -stricken areas now"的相关试题:
[单项选择]Precautionary areas and IMO adopted TSS have been established through the straits between Permatang Sedepa (One Fathom Bank) and the entrance to South China Sea in the vicinity of Horsburgh Light.In this sentence,“TSS”is the abbreviation of（）.
A. Traffic Selection Scheme
B. Traffic Solution Scheme
C. Traffic Separation Scheme
D. Traffic Separation system
[单项选择]A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.
A. high density will be on the left in the Northern Hemisphere
B. high density will be on the right in the Southern Hemisphere
C. low density will be on the left in the Northern Hemisphere
D. low density will be on the left in the Southern Hemisphere
[单项选择]In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the（）
A. fuel valves；exhaust valve
B. exhaust valves；inlet valve
C. fuel valves；inlet valve
D. exhaust valves；fuel valve
[单项选择]Deck foam systems，designed to protect cargo areas on tankers built after January 1，1975，must have a supply of foam-producing material to operate the system at its designed rate of foam production for（）.
A. 15 minutes without recharging
B. 20 minutes without recharging
C. 25 minutes without recharging
D. 30 minutes without recharging
[单项选择]A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.
A. it
B. that
C. this
D. so
[单项选择]Areas enclosed by a long and short dashed magenta line indicate （）.
A. cable areas
B. dumping grounds
C. fish trap areas
D. precautionary areas
[单项选择]Black areas on the sealing surfaces of piston rings indicate（）
A. lube oil pumping
B. rotating rings
C. gas pressure behind the ring
D. passage of hot gases
[单项选择]Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
A. In the Coast Pilot
B. In the Nautical Almanac
C. In the List of Lights
D. In the Sailing Directions
[单项选择]Restricted areas at locks and dams are indicated by（）.
A. flashing red lights upstream and fixed red lights downstream
B. yellow unlighted buoys
C. signs and/or flashing red lights
D. red daymarks upstream and green daymarks downstream
[单项选择]Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
A. cavitation
B. electrolysis
C. abrasion
D. corrosion
[单项选择]For some years after his graduation, he（）some of his classmates, but as times went by, he dropped them one by one
A. caught up with
B. kept in touch with
C. kept up
D. made up with
[单项选择]Two well-developed high pressure areas may be separated by a（）.
A. Hill of low pressure
B. Trough of low pressure
C. Valley of low pressure
D. Ridge of low pressure
[单项选择]Areas which cannot be scanned by the radar of the vessel because they are shielded by parts of its superstructure, masts,etc means（）.
A. blind sectors
B. sheltered area
C. unseen area
D. unscan ble area
[单项选择]The variation for most given areas undergoes（）change，the amount of which is also noted on charts.
A. an annual
B. a constant
C. a variable
D. an unstable
[单项选择]Most high pressure areas are accompanied by（）.
A. precipitation
B. clear，cool weather
C. humid，sticky weather
D. cool fogs
[单项选择]In many areas atoll clouds (clouds of vertical development) are produced over small islands. These are the result of（）.
A. rising air currents produced by the warm islands
B. warm air from the sea rising over higher land areas
C. cool land air mixing with warm sea air
D. descending air over the islands
[单项选择]AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
A. Blind sectors
B. Sheltered area
C. Unseen area
D. Unscanable area
[单项选择]Buoys which mark dredging areas are painted（）.
A. black
B. yellow
C. green
D. red
