A、《科尔曼报告》
B、《一个乘坐学校的地方》
C、《学会生存-教育世界的今天和明天》
D、《学会生存-教育世界的今天和明天》
ThecompanyissuesanannualreporteveryMarch.
A、ayearly
B、acomprehensive
C、afinancial
D、aproduct
Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.
A、however
B、therefore
C、yet
D、although
Thecontrolsofmostmodernairplanescanbeoperatedeithermanuallyorautomatically.
A、bythebook
B、byamap
C、bylogic
D、byhand
Withlasersscientistscanprobemanyphysicalprocesses,suchascombustion,oncebeyondourken.视野
A、understanding
B、responsibility
C、interpretation
D、notice