The state of Maine generally has cooler temperatures than _______.

[　　]

A． there are most others states　 B． most other states which have

C． most other states have　　 D． having most other states

Carbohydrates are the most abundant and _____ food sources of energy.

[　　]

A．least cost　B． least costly　C． less cost　D． fewer costs

If I had hurried, I _____ the train.

[　　]

A． would catch　 B． could catch　C． would have caught　D． had caught

Mary is very wet . She ______ in the lake.

[　　]

A． can have fallen　B． must have fallen

C． had to fall　D． seemed to fall

Noise, in the technical sense, implies a random chaotic disturbance _______.

[　　]

A． usually does not want　　　 B． usually is unwanted

C． that one does not usually want it　 D． that is usually unwanted

______ about individuals who really existed and things that actually happened .

[　　]

A．Folktales which sometimes tell stories

B．The stories of folktales sometimes telling

C．Stories sometimes told are when folktales

D．Folktales sometimes tell stories

______ duties are placed on commodities according to their value.

[　　]

A．Ordinarily tariff　B． Ordinary tariffs are

C．On ordinary tariff　 D． Tariffs are ordinary

_____ orbits the Sun, Uranus rotates on its axis, an imaginary line through its centre.

[　　]

A． For it　 B． It　C． As it　D． There is

Ostriches are _____ of living birds, attaining a height from crown to food of about 2.4 meters and a weight of up to 136 kilograms.

[　　]

1. large , strong　　　　B． large and strong

C．larger and stronger　D． the largest and strongest

He looks sleepy. He must _____ to bed very late last night.

[　　]

A． be　 B． have gone　 C． be going　D． go