A.enough B.on C.also D. friendly E. moving A: BEDCA B: CBAED C: CBAED D: EABDC

There’s lots of fruit_________ the tree.Our little cat is also in the tree. A: A.in B: B.on C: C.under D: D.at

The conference has been held to discuss the effect of tourism ______ the wildlife in the area. A: in B: B．on C: C．at D: D．with

What does the man want to buy When will the man come again A: Tomorrow. B: B．On Monday. C: C．Next week.

Please make sure that the stipulations in the L/C are______the terms in our sales contract. A: at accordance with B: in accordance with B.on accordance with D./

．—Do you go to school every day? —No，we go to school only ________ Monday to Friday． A: A．from B: B．on C: C．between D: D．in

Whichtwowordsareclosestinmeaning?<br/><b>cycle</b><b>，</b><b>hawk</b><b>，</b><b>convey</b><b>，</b><b>extort</b><b>，</b><b>peddle</b><b>，</b><b>summon</b>

设A{a,b}，则P(A)×A = (   )。 A: A B: P（A） C: {<Φ,a>,<Φ,b>,<{a},a>,<{a},b>,<{b},a>,<{b},b>,<A,a>,<A,b>} D: {<a,,Φ,>,<b,,Φ,>,<a,{a}>,<b,{a}>,<a,{b}>,<b,{b}>,<a,A>,<b,A>}

以下哪段代码可以将A,B的值互换（） A: A=A^B; B=A^B;A=A^B B: A= A^B;A=A^B;B=A^B C: B= A^B; B=A^B; A=A^B D: B=A^B; A= A^B; A= A^B

若集合A={a，b}，B={ a，b，{ a，b }}，则（）。 A: A⊆B，且A∈B B: A∈B，且B⊆A C: A⊈B，且A∉B D: A∉B，且A⊈B