The basic tone of the author is ______.A．comprehensiveB．objectiveC．narrativeD．critical

What is the basic concept of GMDSS？A.Search and rescue authorities shore can be alerted to

From the passage， We can know the tone of the author is

The last paragraph of the passage shows the tone of the author is______.A．unconcernedB．ang

What is the authors tone in writing the passage？A．Enthusiastic.B．Objective.C．Satirical.D．D

The tone of the author to Leonardo da Vince is______.A．criticalB．neutralC．curiousD．praisin

The tone of the author about Japans economy is______.A．cautiously optimisticB．quite undeci