______ injuries
makes additional safetymeasures necessary.
Climbers will usually workin pairs and use a
system of ropes and anchors Climbers will usually workin pairs and use a
system of ropes and anchors
makes additional safetymeasures necessary.
Climbers will usually workin pairs and use a
system of ropes and anchors Climbers will usually workin pairs and use a
system of ropes and anchors
举一反三
- ______ injuries makes additional safety measures necessary. Climbers will usually work in pairs and use a system of ropes and anchors
- ____ the unit if necessary. A: Assemble the unit.<br/>use new parts if necessary. B: Reassemble the unit.<br/>use new parts if necessary. C: Rebuild the unit.<br/>use new parts if necessary.
- In land plants we have separation of work, the root system anchors and absorbs the water, the shoot system makes energy and makes seeds.( )
- Listen to the statement and complete the following sentences with one word only. Humans usually made use of pairs of __________ to prepare food in Jomon period.
- The nervous system can be devided into the central nervous system and<br/>the ( ) A: brain B: spinal<br/>cord C: peripheral<br/>nervous system D: endocrine<br/>system