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Fill in the blank with the right choice.All of the lesions were round-like soft tissue masses, the average size __________ 2.6cm ×3.1cm.

A. being
B. was
C. be
D. with

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Fill in the blank with the right choice.The CT images of consecutive 100 people __________ in low-dose CT screening for lung cancer were read by MIP, TS and MIP+TS respectively.

A. participated
B. participating
C. participate
D. had participated

Fill in the blank with the right choice. __________, the material was rubbed with 70% ethanol for surface sterilization.

After removing the outmost leaves
B. After the outmost leaves were removed
C. After removed the outmost leaves
D. After the outmost leaves was removed

The following sentences a-e are taken from the result section of a research paper, but they are in a scrambled order. Which of the choices below shows the correct order?a) This is likely to be because more modern homes are better insulated than older homes. b) This may well be because flats often have a reduced external wall area to volume ratio whereas in detached homes this ratio is high.c) There was a general trend towards higher mean and maximum internal temperatures in the living room and bedroom as house age decreased. d) Thus modern homes (i.e. built after 1990) had the warmest living rooms and bedrooms on average and pre-1919 homes the coolest. e) Considering house type, flats had the warmest living rooms (and almost the warmest bedrooms) whereas detached homes had the coolest.

A. daecb
B. aecfd
C. cdaeb
D. badce

Fill in the blanks with the appropriate form of the word.A solution containing 1 mmol of oxalic acid and 10 mL of N, N-dimethylacetamide (DMA) __________ to form a homogeneous mixture.

A. added
B. were adde
C. in addition
D. adding

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