[单项选择]Their air of cheerful self-sacrifice and endless complaisance won them undeserved praise, for their seeming gallantry was wholly motivated by a ______ wish to avoid confict of any sort.
A. poignant
B. sincere
C. laudable
D. cowardly

[单项选择]Their air of cheerful self-sacrifice and endless complaisance won them undeserved praise, for their seeming gallantry was wholly motivated by a ______ wish to avoid confict of any sort.
A. poignant
B. sincere
C. laudable
D. cowardly

[填空题]cheerful

[填空题]

A.technology
B.chest
C.church
D.cheerful

[单项选择]CRASS: A. boastful B. temporary
C. cheerful D. refined E. extensive

[填空题]

A--air terminal
B--air bridge
C--customs counter
D--immigration desk
E--departure hobby
F--arrival hobby
G--air coach
H--hanger
I--aisle seat
J--boarding permit
K--waiting room
L--check-in formalities
M--luggage label
N--hand baggage
O--emergency exit
P--air steward
Q--air hostess
R--ground staff
S--pilot
T--customs officer
U--immigration officer
V--security guard

（）入境大堂（）登机接驳桥

[填空题]Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also have significant health effects. Environmental Protection Agency studies indicate that indoor levels of pollutants may be 2-5 times, and (47) more than 100 times, higher than outdoor levels. These levels of indoor air pollutants may be of particular concern because most people spend about 90% of their time (48) .
There are many sources of indoor air pollution in any home. These include combustion sources such as oil, gas, coal, wood, and tobacco products; building materials and furnishings as (49) as deteriorated (变坏的) asbestos-containing (含有石棉成分的) insulation (绝缘材料), wet or damp carpet, and cabinetry or furniture made of certain pressed (50) products; products for household cleaning and maintenance, personal care, or hobbies; central heating and cooling (51) and humidification devices; and outdoor