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【简答题】
计算： tan45°-2sin60°+ 2 2 cos45°-co s 2 30° ．
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【简答题】My father is a farmer. he lives__1_my mother in a house in a village. It is__2_the town of Ashland. My father grows rice and__3_.he works very hard. He gets up very__4_every morning. He_5__home at hal...
【单选题】Doctor Smith is very busy, so you’d better make _________ before you go to see him.
A.
a presentation
B.
a date
C.
an appointment
【单选题】It is implied that a modem farmer cannot simply move to another place when his field has become tired. This is because ______.
A.
the production power of a new field is not higher than that of an old one
B.
it takes a farmer more than ten years to cultivate a new field
C.
the population of the world has increased rapidly
D.
there will be too many grasses in a new field to grow crops
【简答题】Make sentences, using You’d better... go toschool, not, late
【单选题】You’d better go to bed early. --Thank you, I will _________.
A.
take your advice
B.
make your advice
C.
get your advice
【单选题】沥青延度试验过程包括有： ①制备延度试验用试件； ②根据沥青密度，通过在水中加入酒精或浓盐水的方法使水的密度与沥青密度接近； ③检查延度仪拉伸速度，确保拉伸速度控制在规定范围； ④将延度试件安放在已控温的延度仪中，启动电源开关，进行试验； ⑤将延度试件放在规定的温度水浴中恒温一定的时间； ⑥记录每个试件能够拉伸的距离，确定沥青样品的试验结果。 指出正确的延度试验顺序（）。
A.
①－③－②－④－⑤－⑥
B.
③－①－⑤－④－②－⑥
C.
①－③－②－⑤－④－⑥
D.
③－①－④－⑤－②－⑥
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