Which of the following might be the best title of the passage?

A． Solar Storms: An Invisible Killer

B． Solar Storms: Earth Environment in Danger

C． Solar Storms: Threatening the Human Race

D． Solar Storms: Human Activities to Be Troubled

[单选题]Which of the following might be the best title for the passage?A．New Railway StandardsB．Big Railway DreamsC．High—speed Bullet TrainsD．International Railway Network

[单选题]Which of the following might be the best title for the passage?A.Burger Fla

[单选题]Which of the following might be the best title for the passage?A.The Histor

[单选题]Which of the following would be the best title for the text?A． Three folding bike inventorsB． The making of a folding bikeC． Progress in folding bike designD． Ways of separating a bike wheel

[单选题]Which of the following best defines the word /"aggressive/" (line 4, paragraph 7)?A． Bold.B． Harmful.C． Careless.D． Desperate.

[单选题]Which of the following is the best title for this text？[A] The Middle Class on the Alert[B] The Middle Class on the Cliff[C] The Middle Class in Conflict[D] The Middle Class in Ruins

[单选题]Which of the following would be the best title for the passage?A． Women Are Socially Trained to Talk B. Talking Maintains RelationshipsC． Women Love to Talk D. Men Talk Differently from Women

[单选题]Which of the following would be the best title for the passage?A． Saving Energy Starts at HomeB． Changing Our Habits Begins at WorkC． Changing Climate Sounds ReasonableD． Reading Emissions of Proves CO2 Difficult

[单选题]Which of the following would be the best title for the passage?A．A Unique Attraction for Wildlife LoversB．Calapagos as a Paradise for AdventurersC．Charles Darwin as a Symbol of CalapagosD．A Successful Example of Wildlife Protection

[单选题]Which of the following would be the best title for the text?A．Strain of Stress: No Way Out?B．Responses to Stress: Gender DifferenceC．Stress Analysis: What Chemicals SayD．Gender Inequality: Women Under Stress