[单项选择]When the air in a certain space is squeezed to occupy a smaller space, the air is said to be （　）.
A. commenced
B. compressed
C. compromised
D. compensated

[单项选择]When the air in a certain space is squeezed to occupy a smaller space, the air is said to be （）.
A. commenced
B. compressed
C. compromised
D. compensated

[单项选择]The author implies that allelomimetic behavior occurs most often among animals that ______.


A. prey on other animals
B. are less intelligent than their enemies
C. move in groups
D. have one sense organ that dominates perception

[单项选择] In 1978 the united States National Air and Space Administration selected Sally Ride _________.the first woman astronaut.
A. who being
B. to be
C. and being
D. was

[单项选择]

Pigment cells with dark,reddish brown contents occurring either singly in the ground tissue or in a axial rows accompanying the vascular bundles关于色素细胞，描述不正确的是（）

A. 色素细胞含深红棕色物
B. 色素细胞含黑色物
C. 色素细胞围绕维管束
D. 色素细胞成轴行排列
E. 色素细胞在基本组织中单一存在

[单项选择]Air France Tel: (010) 6588 1388 (020) 6360 6688 Day From To Flight Departure Arrival 1-7 Beijing Paris AF129 09:40 14:15 1-7 Paris Beijing AF128 15:55 07:40 2,4,7 Shanghai Paris AF111 10:55 17:05 1,3,6 Paris Shanghai AF112 15:55 09:05 Lufthansa Tel:(010) 6465 4488 (021) 6248 1100 Day From To Flight Departure Arrival 1-7 Beijing Frankfurt LH721 10:30 14:25 1-7 Frankfurt Beijing LH720
A. AF129.
B. AF128.
C. AF111.
D. AF112.

[单项选择]______ man must fear when traveling in space is radiation from the sun.
A. Which
B. How
C. What
D. That

[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]When will Peter contact Mr. Smith again When he has ______.

[简答题]讨论机场的未来建设air travel will be replaced（以后air travel会随着科技的发展而被取代）

[填空题]How does the betta breathe air

[单项选择]Metals ______ when cooled and expand when heated.
A. decrease
B. reduce
C. condense
D. contract

[单项选择]When does school begin
A. At 7:30.
B. At 7:00.
C. At 6:45.
D. At 7:15.

[单项选择]When was Lincoln born

[单项选择]
When will he return
A. (A) Sunday morning.
B. (B) Sunday night.
C. (C) Monday morning.
D. (D) Monday night.