A、A.economic
B、B.economies
C、C.economics
D、D.economical
更多“Construction of the railways helped to develop the national （） of Tanzania and Zambia.”相关的问题
A、lapped construction B、strapped construction C、joggled construction D、belted construction
A、On the outside of the tank B、At the bottom of the tank C、At the top of the tank D、At the center of the tank
A、areas where special materials are used B、hazardous areas C、location of emergency repair equipment D、type and strength of materials used
A、The construction of the vessel B、The experience of the vessel's crew C、The location of vessels detected by radar D、All of the above
A、A.areas where special materials are used B、B.hazardous areas C、C.location of emergency repair equipment D、D.type and strength of materials used
A、date of construction or establishment B、length of time between flashes of the light C、time required for the longest flash of each cycle D、time required for the light to complete each cycle
A、A.natural conservation B、B.the construction of irrigation projects C、C.the setting-up of the Federal Reserve Board and twelve Federal Reserve Banks D、D.the introduction of tariff increase and a low income tax
A、revise the operating manual when rig personnel change B、be fully aware of the provisions in the operating manual C、maintain the rig's construction portfolio D、All of the above
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