[单项选择]The temperatures are somewhat lower than the average temperature in May this year.
A. rather
B. very
C. a little
D. less

[单项选择]The price of seafood used to be much lower than now, ______

[单项选择]The passage implies that the warmest temperatures among the periods mentioned occurred
A. ( in the early eighteenth century
B. ( 160,000 years ago
C. ( at the end of each ice age
D. ( between 360 and 285 million years ago

[单项选择]

Passage Five Temperatures on December 12 City High Low Cleveland .................. 37° 31° Columbia, S. C ............ 60° 27° Columbus, Ohio ............ 41° 34° Dallas .................... 81° 50° Dayton. ................... 41° 33° Decatur ................... 39° 30° Denver .................... 49° 33° Des Moines ................ 34° 27° Detroit ................... 37° 28° Dubuque ................... 30° 23° Duluth .................... 19° 10° Eau Claire ................ 24° 19° El Paso ................... 79° 36° Evansville ................ 52° 36° Fairbanks ................. -31° -40° Fargo ..................... 17° -2° Flint ..................... 31° 26° Flagstaff ................. 56° 31° Great Falls ............... 14° 3° Grand Rapids .............. 33° 26° Green Ray ................. 24°
A. 26°.
B. -2°.
C. 3°.
D. 31°.

[单项选择]According to the passage, because temperatures in a tunnel can be very high, ______.
A. the Robogat has to have a heat-resistant skin
B. the Robogat is operated in a control centre outside the tunnel
C. the Robogat can only work at the scene of a fire for a limited period
D. a Robogat is stationed at each end

[单项选择]All instructors will allow somewhat changed focus in the original topic.
A. Right
B. Wrong
C. Not mentioned

[单项选择]What has kept temperatures from rising at an even higher rate
A. The absorption of carbon dioxide by natural factors.
B. Human effort to reduce carbon dioxide emissions.
C. Drastically reduced emissions of greenhouse gases.
D. A 10% decrease in the average weight of polar bears.

[单项选择]With the intention of attracting a somewhat different type of passenger, the airlines have now begun to concentrate on ______.
A. ensuring that the facilities offered to the executive are indeed superior
B. providing facilities enabling business travelers to work on board
C. organizing activities in which first-class passengers can participate
D. installing sleeping compartments where more privacy is ensured

[单项选择]I felt somewhat disappointed and was about to leave ______ something occurred which attracted my attention.
A. unless
B. when
C. until
D. while

[单项选择]Being somewhat shortsighted, she had the habit of ______ at people.
A. glancing
B. peering
C. gazing
D. scanning