Someseaurchins海胆havevenomous(toxin)spines

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

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

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

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

Somecosmeticsmanufacturersattempttocapturetherose'sunmistakablefragrance香味insoapsandperfumes.

• A.design
• B.texture
• C.scent
• D.freshness

Thefirstpaperwasmadefromthebarkofthemulberrytree.

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

Blue－greenalgaegrowabundantlyinsaltmarshes.

• A.primarily
• B.slowly
• C.onplants(cultivate)
• D.ingreatnumbers