<view wx:for="{{Arr}}" wx:for-item="item" wx:for-index="idx">
	<view class="block">
		<view class="num">
			{{item.num}}
		</view>
		<view class="question">
			{{item.question}}
		</view>
	</view>
	<view class="hd">{{item.answer}}</view>
</view>