Câu hỏi: He made one last futile effort to convince her and left home.

A. favorable

B. difficult

C. ineffectual

D. firm

Câu 1: With respect to maneuverability, few birds can equal the capabilities of the hummingbird, which hovers for long periods and even flies backward.

A. With regard to

B. With fondness to

C. In appreciation of 

D. In favor of

Câu 2: He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness

B. rudeness

C. measurement

D. encouragement

Câu 3: An Alzheimer patient’s incomprehensible ramblings will frequently upset family members, who may take the statements personally.

A. rude

B. personal

C. loud

D. unintelligible

Câu 4: The whole village was wiped out in the bombing raids.

A. changed completely 

B. cleaned well

C. destroyed completely

D. removed quickly

Câu 5: The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.

A. reserve

B. generation

C. natural environment

D. diversity

Câu 6: The systems caused by ingestion of a harmful chemical must be counteracted within minutes in order to avoid permanent damage to the kidneys and other vital organs.

A. alleviated

B. increased

C. distributed

D. summed up