______is especially proper.
A.A big gift
B.Large payment as a gift
C.A small gift from one's home
D.A gift from Singapore
There is a ______ need for clean fuels today, especially in big cities.
当今对清洁燃料有广泛的需求,特别是在大城市。
The police are good persons to turn to in case of trouble, especially in big cities.
A.in the event of
B.in the ease of
C.in the course of
D.in the way of
A、avoid
B、keep
C、stop
D、drop
According to the passage, pet sitting services _________.
A.are especially popular in big cities where there are more pets and busier pets owners.
B.make it possible for the pets to enjoy a better family life.
C.free the pet owners completely.
D.assure the pet owners that their pets will be taken good care of at their own homes.
Why are boys more at risk, especially the overweight boys?
A.Boys like vigorous sports, so their heart bear more burden.
B.Boys don"t like go to hospital to receive ultrasound treatment.
C.Their hearts are usually too big to pump blood very well.
D.Their hearts are over worked to support their bodies if they are overweight.
(20)
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