l think that the Great Wall is worthhundreds of miles to visit.
A. to travel
B. traveling
C. traveled
D. travel
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The new staff didn't know how to use the system ________l explained it to him yesterday.
A. until
B. because
C. if
D. since
The first question we now discuss is _______ we should go there early tomorrow.
A. whether
B. where
C. what
D. whom
The auto industry spends large amounts of money on marketing compaigns young adult customers.
A. attract
B. attracted
C. to atrract
D. attracts
The following is a list ofspecialtermsaboutairport items.You are required to find the items equivalent to (与...等同) those given in Chinese in the table below. Then put the corresponding letters in the brackets.A—assembly lineB—packerC—forkliftD—explosive materialsE—fire extinguisherF—loading dockG-machine operatorH—electrical hazardl—conveyor beltJ—safety bootsK—shipping clerkL—time cardM—warehouseN—hard hatO—earplugP—hand truckQ—safety earmuffsExamples:(F) 装载码头(K) 运务员