【单选题】The leopard seal is the only pinniped () preys on penguins and other seals.
A. that normally
B. of which it normally
C. normally
D. that it normally
A. that normally
B. of which it normally
C. normally
D. that it normally
【单选题】Settled by English Puritans in 1630, Boston became () .
A. the capital of the Massachusetts Bay Colony
B. the Massachusetts Bay Colony its capital
C. it was the capital of the Massachusetts Bay Colony
D. so that the capital of the Massachusetts Bay Colony
A. the capital of the Massachusetts Bay Colony
B. the Massachusetts Bay Colony its capital
C. it was the capital of the Massachusetts Bay Colony
D. so that the capital of the Massachusetts Bay Colony
【单选题】thE tAllEr oF All AnimAls, A Full-grown girAFFE mAy BE EightEEn FEEt or morE high.
【单选题】thE simplEstpolymErs ArE CrEAtED whEn prEssurE or hEAt CAusEs smAll molECulEs AltEr slightly AnD link togEthEr in A long ChAin.
【单选题】 thE nECtAr oF FlowErs ArE ingEstED By workEr BEEs AnD ConvErtED to honEy in spECiAl sACs in thEir DigEstivE systEms.
【单选题】 Mitosis is the normal process (by which) a cell divides, (each) new cell (ending) up with (a) same number of chromosomes as the parent cell.
A.by which
B.each
C.ending
D.a
A.by which
B.each
C.ending
D.a
【单选题】 According to the author, all of-the following evidence relating to the first birds was found EXCEPT
A.( nesting materials
B.( four skeletons in good condition
C.( two fragmented skeletons
D.( a single feather
A.( nesting materials
B.( four skeletons in good condition
C.( two fragmented skeletons
D.( a single feather
【单选题】
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why DoEs thE proFEssor tEll A story ABout A littlE girl At A BirthDAy pArty
A.to FinD out whiCh stuDEnts hAvE ChilDrEn
B.to FrightEn thE ClAss with FACts ABout BEEs
C.to ChAngE thE topiC oF thE DisCussion
D.to strEss thE sErious EFFECts oF An AllErgy
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A.to FinD out whiCh stuDEnts hAvE ChilDrEn
B.to FrightEn thE ClAss with FACts ABout BEEs
C.to ChAngE thE topiC oF thE DisCussion
D.to strEss thE sErious EFFECts oF An AllErgy
【单选题】 The passage supports which of the following statements about the Surveyor and Apollo missions
A.( They confirmed earlier theories about the Moon's surface
B.( They revealed that previous ideas about the Moon's craters were incorrect
C.( They were unable to provide detailed information about the Moon's surface
D.( They were unable to identify how the Moon's craters were made
A.( They confirmed earlier theories about the Moon's surface
B.( They revealed that previous ideas about the Moon's craters were incorrect
C.( They were unable to provide detailed information about the Moon's surface
D.( They were unable to identify how the Moon's craters were made
【单选题】 One of the (most impressive) cultural achievements of the United State (during) the 1920's was a (vastly) outpouring of (serious literature).
A.most impressive
B.during
C.vastly
D.serious literature
A.most impressive
B.during
C.vastly
D.serious literature
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