Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.

• A.straight
• B.safe
• C.real
• D.rapid

Someseaurchins海胆havevenomous(toxin)spines

• A.sensuous(feeling)
• B.crooked(twisted)
• C.poisonous
• D.sticky

Thefirstpaperwasmadefromthebarkofthemulberrytree.

• A.driedwood
• B.outercovering
• C.syrup(sirup)
• D.root

EllaGrasso,electedgovernorofConnecticutin1974,supportedtheenactment(given,granted)ofafreedom-of-informationlaw.

• A.passing
• B.advocates
• C.drafting
• D.circulation

ThecompanyissuesanannualreporteveryMarch.

• A.ayearly
• B.acomprehensive
• C.afinancial
• D.aproduct

Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.

• A.hostile-looking
• B.perceptive
• C.primitive
• D.strangelyformed