A．crobats and gymnasts are in danger of hurting themselves in Cirque du Soleil performances because______.

A． they haven't practiced enough

B． the equipment is in need of repairs

C． they perform. risky acts without nets

D． some are HIV positive

[单选题]Millions of people are in danger of getting malaria because______.A． some countries have not started a campaign against mosquitoesB． new species of mosquitoes may survive today's spraysC． malaria was once thought to be a very old evil of the worldD．

[单选题]The captain of the ship _____ the passengers that there was no danger.A.ass

[单选题]What is the principal danger from the liquid in a half full tank onboard a vessel?（）A . Corrosion from the shifting liquidB . Rupturing of bulkheads from the shifting liquidC . Loss of stability from free surface effectD . Holing of the tank bottom f

[单选题]A red flag wasplaced there as a [token] of danger.A.signB.substituteC.proof

[单选题]A red flag wasplaced there as a [token] of danger.A.signB. substituteC. pro

[单选题]He remained calm even ________of such obvious danger.A.in the eventB.in the

[单选题]I [am sure totell] you that there's no danger.A.ensureB. assureC. insureD.

[单选题]I am [sure] totell you that there's no danger.A.ensureB.assureC.insureD.sec

[单选题]Many of the local residents left homes to ward off the danger of flooding.A

[单选题]Touring theAntarctic Brings Danger1 Ship tourism toAntarctica is on the ris