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【简答题】
如图，已知△ABC中，∠B='90' º，AB=8cm，BC=6cm，P、Q是△ABC边上的两个动点，其中点P从点A开始沿A→B方向运动，且速度为每秒1cm，点Q从点B开始沿B→C→A方向运动，且速度为每秒2cm，它们同时出发，设出发的时间为t秒． （1）出发2秒后，求PQ的长； （2）当点Q在边BC上运动时，出发几秒钟，△PQB能形成等腰三角形？ （3）当点Q在边CA上运动时，求能使△BCQ成为等腰三角形的运动时间（只要直接写出答案）．
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【单选题】Of all the things my grandma used to say, I remember this best of all—everything you worry about will prove to be all right. The underline part can be replaced by ____________.
A.
make waves
B.
unlike
C.
turn out
D.
unique
E.
detailing
【简答题】Of all the things my grandma used to say, I remember this best of all — everything you worry about will ——(词组:结果是,证明是) all right.
【单选题】My grandma used to live in the country, but now she _______living in the city and likes the city life.
A.
is used to
B.
is used for
C.
used to
D.
uses to
【单选题】In my childhood, my grandma used to say”helping others _______ helping yourself”, which _______ a deep effect on me all my life.
A.
mean, have had
B.
means, has had
C.
means, had had
D.
mean, had had
【单选题】My grandma used to _____ corn into flour and make different kinds of cakes for us.
A.
grind
B.
certify
C.
specialize
D.
rear
【简答题】4Of all the things my grandma used to say, I remember this best of all -- everything you worry about will prove to be all right. ( )
【单选题】My grandma used to tell us a lot of ____ tales by the moonlight on warm and clear summer nights. [ ]
A.
romantic
B.
folk
C.
scientific
D.
making-up
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