一、词汇匹配题：Match the GPS applications (1-6) to the descriptions (a-f）.
1. topographical surveying
2. geological exploration
3. civil engineering
4. avionics equipment
5. maritime applications
6. GPS in cars and trucks
a. navigation and safety at sea
b. setting out positions and levels of new structures
c. mapping surface features
d. applications in mining and the oil industry
e. highway navigation and vehicle tracking
f. air traffic control, navigation and autopilot systems
Answer Key:
c
d
b
f
a
e
二、词汇填空题：Fill in the blanks with the works given below.
1. guide / direct / orient
2. enable / allow / permit
3. ensure / allow / enable
4. maintain / achieve / obtain
5. prevent / minimize / reduce
The core function of your GPS receiver is to (1) ______ you to locate your precise geographical position. To (2) ______ the device to function, it receives at least three signals simultaneously from the GPS constellation – 30 dedicated satellites which (3) ______ receivers can function anywhere on earth. To (4) ______ extremely precise positioning and (5) ______ errors from occurring due to external factors, this device is designed to receive four separate signals.
Key :
guide
enable
allow
maintain
prevent
三、词汇选择题： 请为每个句子选择最合适的词语，使其意思完整并符合语境。
1. The two rooms were _______ by a wide archway.
A. attached
B. powered
C. connecting
D. controlled
2. The crane was used to _______ the heavy steel beams into place.
A. ascend
B. raise
C. descend
D. transported
3. The goods were _______ by sea to the new continent.
A. attached
B. controlled
C. connecting
D. transported
4.The pillars were designed to _______ the weight of the roof.
A. descend
B. powered
C. support
D. raise
5. A small flag was _______ to the top of the mast.
A. connecting
B. attached
C. transported
D. powered
6. The hikers began to _______ the steep mountain path.
A. descend
B. raise
C. ascend
D. support
7. After reaching the summit, the climbers started to _______ back down.
A. ascend
B. connect
C. transport
D. descend
8. The electric car is _______ by a battery.
A. supported
B. attached
C. powered
D. connecting
9. The drone’s flight path was _______ by the remote operator.
A. raised
B. transported
C. supported
D. controlled
Key : C, B, D，C，B，C, D, C, D
