【单选题】下列来源于天然植物容易生物降解的纤维是:
【多选题】Choose the best details. More than one answer is possible.
A.
One of the solutions for the plastic bag problem is to change the plastic back into oil.
B.
People use too many plastic bags.
C.
Plastic doesn't have to be clean.
D.
Plastic bags are very useful, but they create pollution.
E.
This is a good solution because plastics don't have to be clean.
F.
Another good reason for this solution is that plastic is turned into fuel.
G.
However, the process of changing plastic bags into fuel can cause pollution.
H.
Making plastic bags out of sugarcane is another great way to solve the problem of plastic bag pollution.
J.
It takes plastic 450 years to break down in water.
【单选题】空军部队点多、面广、高度分散,且岗位分工精细,单人、单机活动多。这一特点要求思想工作必须 ,在解决一人一事的现实思想问题上下功夫。
【单选题】某患者,男,35岁,右侧腮腺区肿物,行右侧腮腺浅叶+肿物切除术+面神经解剖术术中结扎腮腺导管,选择最佳的包扎方法是
【单选题】Eating food cooked in oil is bad for your skin.
A.
a. Some types may prevent cancer.
B.
b. You should look away often.
C.
c. Too much of it can kill you.
D.
d. It’s high in sugar.
E.
e. Viruses cause a cold or the flu.
F.
f. You can get a headache.
G.
g. It’s high in vitamins and low in fat.
【单选题】下述有关日本血吸虫病的描述中,哪项是错误的
B.
病变常累及全部结肠,以乙状结肠和直肠最为显著
【简答题】A市甲、乙两公司均生产同一种类的热水器,因甲公司的产品使用方便、制热效果好,因而市场占有率高于乙公司。乙公司为了提高销售量,秘密地支付给甲公司的技术员张某一大笔“技术咨询费”。通过张某,乙公司获取了热水器的核心制作技术。之后,乙公司运用获取的这些技术对自己的产品进行了改造。同时,乙公司在市电视台和市消费者报纸上发布广告称:我公司的热水器质量可靠、持久耐用,其他厂家的热水器质量无保证。另外,乙公司还...
【单选题】在碱性土壤上,下列哪个营养元素的施肥最适用叶面喷施。
【单选题】一患者行左腮腺浅叶和肿物切除及面神经解剖,术中结扎腮腺导管且术后未使用负压引流装置,应选择的绷带包扎方式是